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configure: warning when compiling with old fontconfig on Win32.

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Fontconfig had a few bugs in the default configuration when compiled for
Windows. These issues are fixed from version 2.11.1. Display a warning
when compiling on win32 platform with older versions.
See in particular bugs 708110 and 703331.
This commit is contained in:
Jehan 2014-07-22 18:20:02 +00:00
parent 3e85deefb5
commit 6b2963928e
2 changed files with 28 additions and 1 deletions
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6
INSTALL.in
View file

@ -59,6 +59,12 @@ header files installed.
and fontconfig @FONTCONFIG_REQUIRED_VERSION@ or newer. Older versions are known to have
bugs that seriously affect the stability of GIMP.
On Windows platforms in particular, we recommend fontconfig @FONTCONFIG_WIN32_RECOMMENDED_VERSION@
or newer. Older versions may end up in broken font handling, due to
inadequate font configuration: font aliases not configured,
synthetic bold/italic variants unavailable, cache folder in temp
directory resulting in slow startups, etc.
We also require HarfBuzz @HARFBUZZ_REQUIRED_VERSION@ or newer, an
OpenType text shaping tool. As this is a dependency for Pango, you
will likely have it installed, but you may have to install a

23
configure.ac
View file

@ -50,6 +50,7 @@ m4_define([cairo_required_version], [1.12.2])
m4_define([cairo_pdf_required_version], [1.12.2])
m4_define([pangocairo_required_version], [1.29.4])
m4_define([fontconfig_required_version], [2.2.0])
m4_define([fontconfig_win32_recommended_version], [2.11.1])
m4_define([freetype2_required_version], [2.1.7])
m4_define([harfbuzz_required_version], [0.9.19])
m4_define([gtkdoc_required_version], [1.0])
@ -139,6 +140,7 @@ LIBLZMA_REQUIRED_VERSION=liblzma_required_version
PANGOCAIRO_REQUIRED_VERSION=pangocairo_required_version
BABL_REQUIRED_VERSION=babl_required_version
FONTCONFIG_REQUIRED_VERSION=fontconfig_required_version
FONTCONFIG_WIN32_RECOMMENDED_VERSION=fontconfig_win32_recommended_version
FREETYPE2_REQUIRED_VERSION=freetype2_required_version
HARFBUZZ_REQUIRED_VERSION=harfbuzz_required_version
WEBKIT_REQUIRED_VERSION=webkit_required_version
@ -163,6 +165,7 @@ AC_SUBST(LIBLZMA_REQUIRED_VERSION)
AC_SUBST(PANGOCAIRO_REQUIRED_VERSION)
AC_SUBST(BABL_REQUIRED_VERSION)
AC_SUBST(FONTCONFIG_REQUIRED_VERSION)
AC_SUBST(FONTCONFIG_WIN32_RECOMMENDED_VERSION)
AC_SUBST(FREETYPE2_REQUIRED_VERSION)
AC_SUBST(HARFBUZZ_REQUIRED_VERSION)
AC_SUBST(WEBKIT_REQUIRED_VERSION)
@ -648,6 +651,24 @@ CFLAGS="$PANGOCAIRO_CFLAGS $CFLAGS"
PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= fontconfig_required_version)
# Windows platform had a few bugs fixed in earlier fontconfig.
# Display a warning when compiling with a flawed fontconfig.
# See bugs 708110 and 703331.
have_recommended_fontconfig=""
if test "x$platform_win32" = "xyes"; then
PKG_CHECK_MODULES(RECOMMENDED_WIN32_FONTCONFIG, fontconfig >= fontconfig_win32_recommended_version,
have_recommended_fontconfig="yes", have_recommended_fontconfig="no")
if test "x$have_recommended_fontconfig" = xno; then
have_recommended_fontconfig="
WARNING: Your fontconfig version is `$PKG_CONFIG --modversion fontconfig`.
The recommended fontconfig version under Windows is $FONTCONFIG_WIN32_RECOMMENDED_VERSION or over.
If you continue without updating fontconfig, your build may have partially broken font processing."
else
have_recommended_fontconfig=""
fi
fi
AC_MSG_CHECKING([if Pango is version 1.32.0 or newer])
if $PKG_CONFIG --atleast-version=1.32.0 pango; then
have_pango_1_32=yes
@ -2361,5 +2382,5 @@ Optional Modules:
Tests:
Use xvfb-run $have_xvfb_run
$have_recommended_xgettext
$have_recommended_xgettext $have_recommended_fontconfig
]);