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96 lines
2.9 KiB
96 lines
2.9 KiB
#--------------------------------------------------------------------------- |
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# |
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# xc-cc-check.m4 |
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# |
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# Copyright (c) 2013 Daniel Stenberg <daniel@haxx.se> |
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# |
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# Permission to use, copy, modify, and distribute this software for any |
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# purpose with or without fee is hereby granted, provided that the above |
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# copyright notice and this permission notice appear in all copies. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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# |
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#--------------------------------------------------------------------------- |
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# serial 1 |
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dnl _XC_PROG_CC_PREAMBLE |
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dnl ------------------------------------------------- |
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dnl Private macro. |
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AC_DEFUN([_XC_PROG_CC_PREAMBLE], [ |
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xc_prog_cc_prev_IFS=$IFS |
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xc_prog_cc_prev_LIBS=$LIBS |
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xc_prog_cc_prev_CFLAGS=$CFLAGS |
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xc_prog_cc_prev_LDFLAGS=$LDFLAGS |
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xc_prog_cc_prev_CPPFLAGS=$CPPFLAGS |
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]) |
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dnl _XC_PROG_CC_POSTLUDE |
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dnl ------------------------------------------------- |
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dnl Private macro. |
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AC_DEFUN([_XC_PROG_CC_POSTLUDE], [ |
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IFS=$xc_prog_cc_prev_IFS |
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LIBS=$xc_prog_cc_prev_LIBS |
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CFLAGS=$xc_prog_cc_prev_CFLAGS |
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LDFLAGS=$xc_prog_cc_prev_LDFLAGS |
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CPPFLAGS=$xc_prog_cc_prev_CPPFLAGS |
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AC_SUBST([CC])dnl |
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AC_SUBST([CPP])dnl |
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AC_SUBST([LIBS])dnl |
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AC_SUBST([CFLAGS])dnl |
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AC_SUBST([LDFLAGS])dnl |
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AC_SUBST([CPPFLAGS])dnl |
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]) |
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dnl _XC_PROG_CC |
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dnl ------------------------------------------------- |
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dnl Private macro. |
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AC_DEFUN([_XC_PROG_CC], [ |
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AC_REQUIRE([_XC_PROG_CC_PREAMBLE])dnl |
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AC_REQUIRE([XC_CHECK_USER_FLAGS])dnl |
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AC_REQUIRE([AC_PROG_INSTALL])dnl |
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AC_REQUIRE([AC_PROG_CC])dnl |
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AC_REQUIRE([AM_PROG_CC_C_O])dnl |
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AC_REQUIRE([AC_PROG_CPP])dnl |
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AC_REQUIRE([_XC_PROG_CC_POSTLUDE])dnl |
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]) |
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dnl XC_CHECK_PROG_CC |
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dnl ------------------------------------------------- |
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dnl Public macro. |
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dnl |
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dnl Checks for C compiler and C preprocessor programs, |
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dnl while doing some previous sanity validation on user |
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dnl provided LIBS, LDFLAGS, CPPFLAGS and CFLAGS values |
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dnl that must succeed in order to continue execution. |
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dnl |
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dnl This sets variables CC and CPP, while preventing |
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dnl LIBS, LDFLAGS, CFLAGS, CPPFLAGS and IFS from being |
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dnl unexpectedly changed by underlying macros. |
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AC_DEFUN([XC_CHECK_PROG_CC], [ |
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AC_PREREQ([2.50])dnl |
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AC_BEFORE([$0],[_XC_PROG_CC_PREAMBLE])dnl |
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AC_BEFORE([$0],[AC_PROG_INSTALL])dnl |
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AC_BEFORE([$0],[AC_PROG_CC])dnl |
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AC_BEFORE([$0],[AM_PROG_CC_C_O])dnl |
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AC_BEFORE([$0],[AC_PROG_CPP])dnl |
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AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl |
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AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl |
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AC_BEFORE([$0],[_XC_PROG_CC_POSTLUDE])dnl |
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AC_REQUIRE([_XC_PROG_CC])dnl |
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]) |
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