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558 lines
16 KiB
558 lines
16 KiB
#!/bin/sh |
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# configure script for zlib. This script is needed only if |
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# you wish to build a shared library and your system supports them, |
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# of if you need special compiler, flags or install directory. |
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# Otherwise, you can just use directly "make test; make install" |
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# |
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# To create a shared library, use "configure --shared"; by default a static |
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# library is created. If the primitive shared library support provided here |
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# does not work, use ftp://prep.ai.mit.edu/pub/gnu/libtool-*.tar.gz |
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# |
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# To impose specific compiler or flags or install directory, use for example: |
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# prefix=$HOME CC=cc CFLAGS="-O4" ./configure |
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# or for csh/tcsh users: |
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# (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure) |
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# LDSHARED is the command to be used to create a shared library |
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|
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# Incorrect settings of CC or CFLAGS may prevent creating a shared library. |
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# If you have problems, try without defining CC and CFLAGS before reporting |
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# an error. |
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|
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LIBS=libz.a |
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LDFLAGS="-L. ${LIBS}" |
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VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h` |
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VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h` |
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VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h` |
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AR=${AR-"ar"} |
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AR_RC="${AR} rc" |
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RANLIB=${RANLIB-"ranlib"} |
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prefix=${prefix-/usr/local} |
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exec_prefix=${exec_prefix-'${prefix}'} |
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libdir=${libdir-'${exec_prefix}/lib'} |
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includedir=${includedir-'${prefix}/include'} |
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mandir=${mandir-'${prefix}/share/man'} |
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shared_ext='.so' |
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shared=1 |
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zprefix=0 |
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gcc=0 |
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old_cc="$CC" |
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old_cflags="$CFLAGS" |
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|
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while test $# -ge 1 |
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do |
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case "$1" in |
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-h* | --help) |
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echo 'usage:' |
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echo ' configure [--shared] [--prefix=PREFIX] [--exec_prefix=EXPREFIX]' |
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echo ' [--libdir=LIBDIR] [--includedir=INCLUDEDIR] [--zprefix]' |
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exit 0;; |
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-p*=* | --prefix=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; |
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-e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; |
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-l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; |
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-i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift;; |
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-u*=* | --uname=*) uname=`echo $1 | sed 's/[-a-z_]*=//'`;shift;; |
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-p* | --prefix) prefix="$2"; shift; shift;; |
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-e* | --eprefix) exec_prefix="$2"; shift; shift;; |
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-l* | --libdir) libdir="$2"; shift; shift;; |
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-i* | --includedir) includedir="$2"; shift; shift;; |
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-s* | --shared | --enable-shared) shared=1; shift;; |
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-t | --static) shared=0; shift;; |
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-z* | --zprefix) zprefix=1; shift;; |
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--sysconfdir=*) echo "ignored option: --sysconfdir"; shift;; |
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--localstatedir=*) echo "ignored option: --localstatedir"; shift;; |
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*) echo "unknown option: $1"; echo "$0 --help for help"; exit 1;; |
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esac |
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done |
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test=ztest$$ |
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cat > $test.c <<EOF |
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extern int getchar(); |
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int hello() {return getchar();} |
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EOF |
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test -z "$CC" && echo Checking for gcc... |
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cc=${CC-gcc} |
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cflags=${CFLAGS-"-O3"} |
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# to force the asm version use: CFLAGS="-O3 -DASMV" ./configure |
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case "$cc" in |
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*gcc*) gcc=1;; |
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esac |
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|
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if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then |
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CC="$cc" |
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SFLAGS="${CFLAGS-"-O3"} -fPIC" |
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CFLAGS="${CFLAGS-"-O3"}" |
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if test -z $uname; then |
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uname=`(uname -s || echo unknown) 2>/dev/null` |
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fi |
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case "$uname" in |
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Linux | linux | GNU | GNU/*) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"};; |
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CYGWIN* | Cygwin* | cygwin* | OS/2* ) |
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EXE='.exe';; |
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QNX*) # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4 |
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# (alain.bonnefoy@icbt.com) |
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LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"};; |
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HP-UX*) |
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LDSHARED=${LDSHARED-"$cc -shared $SFLAGS"} |
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case `(uname -m || echo unknown) 2>/dev/null` in |
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ia64) |
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shared_ext='.so' |
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SHAREDLIB='libz.so';; |
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*) |
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shared_ext='.sl' |
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SHAREDLIB='libz.sl';; |
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esac;; |
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Darwin*) shared_ext='.dylib' |
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SHAREDLIB=libz$shared_ext |
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SHAREDLIBV=libz.$VER$shared_ext |
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SHAREDLIBM=libz.$VER1$shared_ext |
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LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER"};; |
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*) LDSHARED=${LDSHARED-"$cc -shared"};; |
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esac |
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else |
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# find system name and corresponding cc options |
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CC=${CC-cc} |
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if test -z $uname; then |
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uname=`(uname -sr || echo unknown) 2>/dev/null` |
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fi |
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case "$uname" in |
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HP-UX*) SFLAGS=${CFLAGS-"-O +z"} |
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CFLAGS=${CFLAGS-"-O"} |
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# LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"} |
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LDSHARED=${LDSHARED-"ld -b"} |
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case `(uname -m || echo unknown) 2>/dev/null` in |
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ia64) |
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shared_ext='.so' |
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SHAREDLIB='libz.so';; |
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*) |
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shared_ext='.sl' |
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SHAREDLIB='libz.sl';; |
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esac;; |
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IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."} |
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CFLAGS=${CFLAGS-"-ansi -O2"} |
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LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"};; |
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OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"} |
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CFLAGS=${CFLAGS-"-O -std1"} |
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LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"};; |
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OSF1*) SFLAGS=${CFLAGS-"-O -std1"} |
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CFLAGS=${CFLAGS-"-O -std1"} |
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LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"};; |
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QNX*) SFLAGS=${CFLAGS-"-4 -O"} |
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CFLAGS=${CFLAGS-"-4 -O"} |
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LDSHARED=${LDSHARED-"cc"} |
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RANLIB=${RANLIB-"true"} |
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AR_RC="cc -A";; |
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SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "} |
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CFLAGS=${CFLAGS-"-O3"} |
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LDSHARED=${LDSHARED-"cc -dy -KPIC -G"};; |
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SunOS\ 5*) LDSHARED=${LDSHARED-"cc -G"} |
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case `(uname -m || echo unknown) 2>/dev/null` in |
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i86*) |
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SFLAGS=${CFLAGS-"-xpentium -fast -KPIC -R."} |
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CFLAGS=${CFLAGS-"-xpentium -fast"};; |
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*) |
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SFLAGS=${CFLAGS-"-fast -xcg92 -KPIC -R."} |
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CFLAGS=${CFLAGS-"-fast -xcg92"};; |
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esac;; |
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SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} |
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CFLAGS=${CFLAGS-"-O2"} |
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LDSHARED=${LDSHARED-"ld"};; |
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SunStudio\ 9*) SFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xcode=pic32 -xtarget=ultra3 -xarch=v9b"} |
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CFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xtarget=ultra3 -xarch=v9b"} |
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LDSHARED=${LDSHARED-"cc -xarch=v9b"};; |
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UNIX_System_V\ 4.2.0) |
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SFLAGS=${CFLAGS-"-KPIC -O"} |
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CFLAGS=${CFLAGS-"-O"} |
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LDSHARED=${LDSHARED-"cc -G"};; |
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UNIX_SV\ 4.2MP) |
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SFLAGS=${CFLAGS-"-Kconform_pic -O"} |
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CFLAGS=${CFLAGS-"-O"} |
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LDSHARED=${LDSHARED-"cc -G"};; |
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OpenUNIX\ 5) |
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SFLAGS=${CFLAGS-"-KPIC -O"} |
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CFLAGS=${CFLAGS-"-O"} |
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LDSHARED=${LDSHARED-"cc -G"};; |
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AIX*) # Courtesy of dbakker@arrayasolutions.com |
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SFLAGS=${CFLAGS-"-O -qmaxmem=8192"} |
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CFLAGS=${CFLAGS-"-O -qmaxmem=8192"} |
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LDSHARED=${LDSHARED-"xlc -G"};; |
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# send working options for other systems to support@gzip.org |
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*) SFLAGS=${CFLAGS-"-O"} |
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CFLAGS=${CFLAGS-"-O"} |
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LDSHARED=${LDSHARED-"cc -shared"};; |
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esac |
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fi |
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SHAREDLIB=${SHAREDLIB-"libz$shared_ext"} |
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SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"} |
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SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"} |
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if test $shared -eq 1; then |
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echo Checking for shared library support... |
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# we must test in two steps (cc then ld), required at least on SunOS 4.x |
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if test "`($CC -c $SFLAGS $test.c) 2>&1`" = "" && |
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test "`($LDSHARED -o $test$shared_ext $test.o) 2>&1`" = ""; then |
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LIBS="$LIBS $SHAREDLIBV" |
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echo Building shared library $SHAREDLIBV with $CC. |
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elif test -z "$old_cc" -a -z "$old_cflags"; then |
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echo No shared library support. |
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shared=0; |
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else |
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echo Tested $CC -c $SFLAGS $test.c |
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$CC -c $SFLAGS $test.c |
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echo Tested $LDSHARED -o $test$shared_ext $test.o |
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$LDSHARED -o $test$shared_ext $test.o |
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echo 'No shared library support; try without defining CC and CFLAGS' |
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shared=0; |
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fi |
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fi |
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if test $shared -eq 0; then |
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LDSHARED="$CC" |
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ALL="allstatic" |
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TEST="teststatic" |
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echo Building static library $LIBS version $VER with $CC. |
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else |
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ALL="allstatic allshared" |
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TEST="teststatic testshared" |
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fi |
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cat > zlibdefs.h << EOF |
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/* zlibdefs.h -- compile-time definitions for the zlib compression library |
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* Copyright (C) 1995-2006 Jean-loup Gailly. |
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* For conditions of distribution and use, see copyright notice in zlib.h |
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*/ |
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EOF |
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cat > $test.c <<EOF |
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#include <sys/types.h> |
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off64_t dummy = 0; |
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EOF |
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if test "`($CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c) 2>&1`" = ""; then |
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CFLAGS="${CFLAGS} -D_LARGEFILE64_SOURCE=1" |
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SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1" |
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echo "Checking for off64_t... Yes." |
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echo "Checking for fseeko... Yes." |
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else |
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echo "Checking for off64_t... No." |
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cat > $test.c <<EOF |
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#include <stdio.h> |
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int main(void) { |
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fseeko(NULL, 0, 0); |
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return 0; |
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} |
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EOF |
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if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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echo "Checking for fseeko... Yes." |
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else |
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CFLAGS="${CFLAGS} -DNO_FSEEKO" |
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SFLAGS="${SFLAGS} -DNO_FSEEKO" |
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echo "Checking for fseeko... No." |
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fi |
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fi |
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cat > $test.c <<EOF |
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#include <unistd.h> |
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int main() { return 0; } |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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cat >> zlibdefs.h <<EOF |
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#include <sys/types.h> /* for off_t */ |
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#include <unistd.h> /* for SEEK_* and off_t */ |
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#ifdef VMS |
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# include <unixio.h> /* for off_t */ |
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#endif |
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#ifndef z_off_t |
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# define z_off_t off_t |
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#endif |
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EOF |
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echo "Checking for unistd.h... Yes." |
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else |
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echo "Checking for unistd.h... No." |
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fi |
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if test $zprefix -eq 1; then |
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sed < zconf.h "/#ifdef Z_PREFIX/s/def Z_PREFIX/ 1/" > zconf.temp.h |
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mv zconf.temp.h zconf.h |
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echo "Using z_ prefix on all symbols." |
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fi |
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cat > $test.c <<EOF |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include "zconf.h" |
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int main() |
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{ |
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#ifndef STDC |
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choke me |
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#endif |
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return 0; |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." |
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cat > $test.c <<EOF |
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#include <stdio.h> |
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#include <stdarg.h> |
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int mytest(char *fmt, ...) |
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{ |
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char buf[20]; |
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va_list ap; |
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va_start(ap, fmt); |
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vsnprintf(buf, sizeof(buf), fmt, ap); |
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va_end(ap); |
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return 0; |
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} |
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int main() |
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{ |
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return (mytest("Hello%d\n", 1)); |
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} |
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EOF |
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if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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echo "Checking for vsnprintf() in stdio.h... Yes." |
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cat >$test.c <<EOF |
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#include <stdio.h> |
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#include <stdarg.h> |
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int mytest(char *fmt, ...) |
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{ |
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int n; |
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char buf[20]; |
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va_list ap; |
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va_start(ap, fmt); |
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n = vsnprintf(buf, sizeof(buf), fmt, ap); |
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va_end(ap); |
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return n; |
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} |
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int main() |
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{ |
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return (mytest("Hello%d\n", 1)); |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking for return value of vsnprintf()... Yes." |
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else |
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CFLAGS="$CFLAGS -DHAS_vsnprintf_void" |
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echo "Checking for return value of vsnprintf()... No." |
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echo " WARNING: apparently vsnprintf() does not return a value. zlib" |
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echo " can build but will be open to possible string-format security" |
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echo " vulnerabilities." |
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fi |
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else |
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CFLAGS="$CFLAGS -DNO_vsnprintf" |
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echo "Checking for vsnprintf() in stdio.h... No." |
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echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" |
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echo " can build but will be open to possible buffer-overflow security" |
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echo " vulnerabilities." |
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cat >$test.c <<EOF |
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#include <stdio.h> |
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#include <stdarg.h> |
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int mytest(char *fmt, ...) |
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{ |
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int n; |
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char buf[20]; |
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va_list ap; |
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va_start(ap, fmt); |
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n = vsprintf(buf, fmt, ap); |
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va_end(ap); |
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return n; |
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} |
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int main() |
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{ |
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return (mytest("Hello%d\n", 1)); |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking for return value of vsprintf()... Yes." |
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else |
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CFLAGS="$CFLAGS -DHAS_vsprintf_void" |
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echo "Checking for return value of vsprintf()... No." |
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echo " WARNING: apparently vsprintf() does not return a value. zlib" |
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echo " can build but will be open to possible string-format security" |
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echo " vulnerabilities." |
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fi |
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fi |
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else |
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echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." |
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cat >$test.c <<EOF |
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#include <stdio.h> |
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int mytest() |
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{ |
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char buf[20]; |
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snprintf(buf, sizeof(buf), "%s", "foo"); |
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return 0; |
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} |
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int main() |
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{ |
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return (mytest()); |
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} |
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EOF |
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if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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echo "Checking for snprintf() in stdio.h... Yes." |
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cat >$test.c <<EOF |
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#include <stdio.h> |
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int mytest() |
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{ |
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char buf[20]; |
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return snprintf(buf, sizeof(buf), "%s", "foo"); |
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} |
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|
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int main() |
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{ |
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return (mytest()); |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking for return value of snprintf()... Yes." |
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else |
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CFLAGS="$CFLAGS -DHAS_snprintf_void" |
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echo "Checking for return value of snprintf()... No." |
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echo " WARNING: apparently snprintf() does not return a value. zlib" |
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echo " can build but will be open to possible string-format security" |
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echo " vulnerabilities." |
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fi |
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else |
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CFLAGS="$CFLAGS -DNO_snprintf" |
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echo "Checking for snprintf() in stdio.h... No." |
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echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" |
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echo " can build but will be open to possible buffer-overflow security" |
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echo " vulnerabilities." |
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cat >$test.c <<EOF |
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#include <stdio.h> |
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int mytest() |
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{ |
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char buf[20]; |
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return sprintf(buf, "%s", "foo"); |
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} |
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|
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int main() |
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{ |
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return (mytest()); |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking for return value of sprintf()... Yes." |
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else |
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CFLAGS="$CFLAGS -DHAS_sprintf_void" |
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echo "Checking for return value of sprintf()... No." |
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echo " WARNING: apparently sprintf() does not return a value. zlib" |
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echo " can build but will be open to possible string-format security" |
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echo " vulnerabilities." |
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fi |
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fi |
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fi |
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cat >$test.c <<EOF |
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#include <errno.h> |
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int main() { return 0; } |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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echo "Checking for errno.h... Yes." |
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else |
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echo "Checking for errno.h... No." |
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CFLAGS="$CFLAGS -DNO_ERRNO_H" |
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fi |
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cat > $test.c <<EOF |
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#include <sys/types.h> |
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#include <sys/mman.h> |
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#include <sys/stat.h> |
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caddr_t hello() { |
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return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0); |
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} |
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EOF |
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if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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CFLAGS="$CFLAGS -DUSE_MMAP" |
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echo Checking for mmap support... Yes. |
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else |
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echo Checking for mmap support... No. |
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fi |
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CPP=${CPP-"$CC -E"} |
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case $CFLAGS in |
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*ASMV*) |
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if test "`nm $test.o | grep _hello`" = ""; then |
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CPP="$CPP -DNO_UNDERLINE" |
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echo Checking for underline in external names... No. |
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else |
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echo Checking for underline in external names... Yes. |
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fi;; |
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esac |
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|
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rm -f $test.[co] $test $test$shared_ext |
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|
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# udpate Makefile |
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sed < Makefile.in " |
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/^CC *=/s#=.*#=$CC# |
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/^CFLAGS *=/s#=.*#=$CFLAGS# |
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/^SFLAGS *=/s#=.*#=$SFLAGS# |
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/^LDFLAGS *=/s#=.*#=$LDFLAGS# |
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/^LDSHARED *=/s#=.*#=$LDSHARED# |
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/^CPP *=/s#=.*#=$CPP# |
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/^LIBS *=/s#=.*#=$LIBS# |
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/^SHAREDLIB *=/s#=.*#=$SHAREDLIB# |
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/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# |
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/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# |
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/^AR *=/s#=.*#=$AR_RC# |
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/^RANLIB *=/s#=.*#=$RANLIB# |
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/^EXE *=/s#=.*#=$EXE# |
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/^prefix *=/s#=.*#=$prefix# |
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/^exec_prefix *=/s#=.*#=$exec_prefix# |
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/^libdir *=/s#=.*#=$libdir# |
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/^includedir *=/s#=.*#=$includedir# |
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/^mandir *=/s#=.*#=$mandir# |
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/^all: */s#:.*#: $ALL# |
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/^test: */s#:.*#: $TEST# |
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" > Makefile |
|
|
|
sed < zlib.pc.in " |
|
/^CC *=/s#=.*#=$CC# |
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/^CFLAGS *=/s#=.*#=$CFLAGS# |
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/^CPP *=/s#=.*#=$CPP# |
|
/^LDSHARED *=/s#=.*#=$LDSHARED# |
|
/^LIBS *=/s#=.*#=$LIBS# |
|
/^SHAREDLIB *=/s#=.*#=$SHAREDLIB# |
|
/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# |
|
/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# |
|
/^AR *=/s#=.*#=$AR_RC# |
|
/^RANLIB *=/s#=.*#=$RANLIB# |
|
/^EXE *=/s#=.*#=$EXE# |
|
/^prefix *=/s#=.*#=$prefix# |
|
/^exec_prefix *=/s#=.*#=$exec_prefix# |
|
/^libdir *=/s#=.*#=$libdir# |
|
/^includedir *=/s#=.*#=$includedir# |
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/^mandir *=/s#=.*#=$mandir# |
|
/^LDFLAGS *=/s#=.*#=$LDFLAGS# |
|
" | sed -e " |
|
s/\@VERSION\@/$VER/g; |
|
" > zlib.pc
|
|
|