build: Use pkg-config to find FreeType
pkg-config is apparently preferred over freetype-config these days (see the BUGS section of freetype-config(1)). pkg-config support was added to FreeType in version 2.1.5, which was released in 2003, so it should comfortably be available everywhere by now. We no longer need to explicitly substitute FREETYPE_CFLAGS and FREETYPE_LIBS, since PKG_CHECK_MODULES does that automatically. Fixes Debian bug #887721. Reported-by: Hugh McMaster <hugh.mcmaster@outlook.com> Signed-off-by: Colin Watson <cjwatson@ubuntu.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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2 changed files with 37 additions and 48 deletions
74
configure.ac
74
configure.ac
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@ -50,6 +50,10 @@ AC_PREREQ(2.60)
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AC_CONFIG_SRCDIR([include/grub/dl.h])
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AC_CONFIG_HEADER([config-util.h])
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# Explicitly check for pkg-config early on, since otherwise conditional
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# calls are problematic.
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PKG_PROG_PKG_CONFIG
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# Program name transformations
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AC_ARG_PROGRAM
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grub_TRANSFORM([grub-bios-setup])
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@ -1508,29 +1512,22 @@ if test x"$enable_grub_mkfont" = xno ; then
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grub_mkfont_excuse="explicitly disabled"
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fi
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if test x"$grub_mkfont_excuse" = x ; then
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# Check for freetype libraries.
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AC_CHECK_TOOLS([FREETYPE], [freetype-config])
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if test "x$FREETYPE" = x ; then
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grub_mkfont_excuse=["need freetype2 library"]
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fi
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fi
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unset ac_cv_header_ft2build_h
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if test x"$grub_mkfont_excuse" = x ; then
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# Check for freetype libraries.
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FREETYPE_CFLAGS=`$FREETYPE --cflags`
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FREETYPE_LIBS=`$FREETYPE --libs`
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SAVED_CPPFLAGS="$CPPFLAGS"
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SAVED_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS"
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LIBS="$LIBS $FREETYPE_LIBS"
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AC_CHECK_HEADERS([ft2build.h], [],
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[grub_mkfont_excuse=["need freetype2 headers"]])
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AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [], [grub_mkfont_excuse=["freetype2 library unusable"]])
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CPPFLAGS="$SAVED_CPPFLAGS"
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LIBS="$SAVED_LIBS"
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PKG_CHECK_MODULES([FREETYPE], [freetype2], [
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SAVED_CPPFLAGS="$CPPFLAGS"
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SAVED_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS"
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LIBS="$LIBS $FREETYPE_LIBS"
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AC_CHECK_HEADERS([ft2build.h], [],
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[grub_mkfont_excuse=["need freetype2 headers"]])
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AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
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[grub_mkfont_excuse=["freetype2 library unusable"]])
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CPPFLAGS="$SAVED_CPPFLAGS"
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LIBS="$SAVED_LIBS"
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], [grub_mkfont_excuse=["need freetype2 library"]])
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fi
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if test x"$enable_grub_mkfont" = xyes && test x"$grub_mkfont_excuse" != x ; then
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@ -1542,8 +1539,6 @@ else
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enable_grub_mkfont=no
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fi
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AC_SUBST([enable_grub_mkfont])
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AC_SUBST([FREETYPE_CFLAGS])
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AC_SUBST([FREETYPE_LIBS])
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SAVED_CC="$CC"
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SAVED_CPP="$CPP"
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@ -1573,25 +1568,21 @@ AC_SUBST([BUILD_WORDS_BIGENDIAN])
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if test x"$grub_build_mkfont_excuse" = x ; then
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# Check for freetype libraries.
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AC_CHECK_PROGS([BUILD_FREETYPE], [freetype-config])
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if test "x$BUILD_FREETYPE" = x ; then
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grub_build_mkfont_excuse=["need freetype2 library"]
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fi
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fi
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if test x"$grub_build_mkfont_excuse" = x ; then
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# Check for freetype libraries.
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BUILD_FREETYPE_CFLAGS=`$BUILD_FREETYPE --cflags`
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BUILD_FREETYPE_LIBS=`$BUILD_FREETYPE --libs`
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SAVED_CPPFLAGS_2="$CPPFLAGS"
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SAVED_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $BUILD_FREETYPE_CFLAGS"
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LIBS="$LIBS $BUILD_FREETYPE_LIBS"
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AC_CHECK_HEADERS([ft2build.h], [],
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[grub_build_mkfont_excuse=["need freetype2 headers"]])
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AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [], [grub_build_mkfont_excuse=["freetype2 library unusable"]])
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LIBS="$SAVED_LIBS"
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CPPFLAGS="$SAVED_CPPFLAGS_2"
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SAVED_PKG_CONFIG="$PKG_CONFIG"
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test -z "$BUILD_PKG_CONFIG" || PKG_CONFIG="$BUILD_PKG_CONFIG"
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PKG_CHECK_MODULES([BUILD_FREETYPE], [freetype2], [
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SAVED_CPPFLAGS_2="$CPPFLAGS"
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SAVED_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $BUILD_FREETYPE_CFLAGS"
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LIBS="$LIBS $BUILD_FREETYPE_LIBS"
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AC_CHECK_HEADERS([ft2build.h], [],
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[grub_build_mkfont_excuse=["need freetype2 headers"]])
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AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
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[grub_build_mkfont_excuse=["freetype2 library unusable"]])
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LIBS="$SAVED_LIBS"
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CPPFLAGS="$SAVED_CPPFLAGS_2"
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], [grub_build_mkfont_excuse=["need freetype2 library"]])
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PKG_CONFIG="$SAVED_PKG_CONFIG"
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fi
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if test x"$enable_build_grub_mkfont" = xyes && test x"$grub_build_mkfont_excuse" != x ; then
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@ -1610,9 +1601,6 @@ if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || tes
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fi
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fi
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AC_SUBST([BUILD_FREETYPE_CFLAGS])
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AC_SUBST([BUILD_FREETYPE_LIBS])
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CC="$SAVED_CC"
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CPP="$SAVED_CPP"
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CFLAGS="$SAVED_CFLAGS"
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