* docs/VERSION.DLL: updating document to better explain the differences between
the three version numbers being used on Unix, as well as provide the AutoConf
fragment provided by Lars Clausen
* src/smooth/ftgrays.c (gray_render_conic): fixed small bug that
prevented bezier arcs with negative vertical coordinates to be rendered
appropriately
2002-11-27 Vincent Caron <v.caron@zerodeux.net>
* builds/unix/unix-def.in, builds/unix/freetype-config.in,
builds/unix/configure.ac, src/gzip/rules.mk, src/gzip/ftgzip.c:
adding support for system zlib installations when available on the
target platform (Unix only)
BRANCH-2-1-5
David Turner
22 years ago
parent
7c53c0a766
commit
40587b66f7
16 changed files with 262 additions and 23 deletions
@ -1,7 +1,78 @@ |
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Libtool's version for FreeType 2.1.3 is `9.2.3'. |
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Due to our use of "libtool" to generate and install the FreeType 2 libraries |
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on Unix systems, as well as other historical events, it is generally very |
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difficult to know precisely which release of the font engine is installed |
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on a given system. |
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|
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On most platforms, the soname will be `6.3.2' (e.g. `libfreetype.so.6.3.2'). |
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This file tries to explain why and to document ways to properly detect |
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FreeType on Unix. |
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|
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Libtool's version for FreeType 2.1.2 is `9.1.3'. |
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|
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On most platforms, the soname will be `6.3.1' (e.g. `libfreetype.so.6.3.1'). |
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I. Version & Release numbers: |
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|
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For each new public release of FreeType 2, there are generally *three* |
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distinct "version" numbers to consider: |
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|
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* the official FT2 release number, like 2.0.9, or 2.1.3 |
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* the libtool (and Unix) specific version number, like "9.2.3". This |
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is what "freetype-config --version" will return |
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|
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* the platform-specific shared object number, used for example when |
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the library is installed as "/usr/lib/libfreetype.so.6.3.2" |
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|
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|
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the platform-specific number is, unsurprisingly, platform-specific and varies |
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with the operating system you're using (several variants of Linux, FreeBSD, |
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Solaris, etc...). You should thus _never_ use it, even for simple tests. |
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|
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the libtool-specific number does not equal the release number but is tied |
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to it. |
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the release number is available at *compile* time through the following |
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macros defined in FT_FREETYPE_H: |
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- FREETYPE_MAJOR : major release number |
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- FREETYPE_MINOR : minor release number |
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- FREETYPE_PATCH : patch release number |
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|
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see below for some Autoconf fragment to |
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|
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the release number is also available at *runtime* through the |
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"FT_Library_Version" API. Unfortunately, this one wasn't available or |
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working correctly before the 2.1.3 official release !! |
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|
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II. Table: |
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the following is a simple table that gives, for each official release, |
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the corresponding libtool number, as well as the shared object number |
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found on _most_ systems, but not all of them: |
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|
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release libtool so |
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------------------------------------- |
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2.1.3 9.2.3 6.3.2 |
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2.1.2 9.1.3 6.3.1 |
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2.1.1 ? ? |
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2.1.0 ? ? |
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2.0.9 ? ? |
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|
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III. AutoConf Code Fragment: |
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Lars Clausen contributed the following Autoconf fragment to detect at |
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which version of FreeType is installed on your system. This one tests |
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for a version that is at least 2.0.9, you should change the last line to |
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check against other release numbers. |
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|
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AC_MSG_CHECKING([for version of FreeType]) |
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FREETYPE_INCLUDE=`freetype-config --cflags | cut -c3-` |
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FREETYPE_MAJOR=`grep '^#define FREETYPE_MAJOR' $FREETYPE_INCLUDE/freetype/freetype.h | cut -d' ' -f3` |
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FREETYPE_MINOR=`grep '^#define FREETYPE_MINOR' $FREETYPE_INCLUDE/freetype/freetype.h | cut -d' ' -f3` |
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FREETYPE_PATCH=`grep '^#define FREETYPE_PATCH' $FREETYPE_INCLUDE/freetype/freetype.h | cut -d' ' -f3` |
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FREETYPE_VERSION=`echo | awk "BEGIN { printf \"%d\", ($FREETYPE_MAJOR * 1000 + $FREETYPE_MINOR) * 1000 + $FREETYPE_PATCH;}"` |
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AC_MSG_RESULT([$FREETYPE_MAJOR.$FREETYPE_MINOR.$FREETYPE_PATCH]) |
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if test "$FREETYPE_VERSION" -ge 2000009; then |
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|
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