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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>
This commit is contained in:
Colin Watson 2018-01-30 21:59:09 +00:00 committed by Daniel Kiper
parent bcfa0f08bb
commit 7e23437df3
2 changed files with 37 additions and 48 deletions
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11
INSTALL
View File

@ -37,6 +37,7 @@ configuring the GRUB.
* GNU gettext 0.17 or later * GNU gettext 0.17 or later
* GNU binutils 2.9.1.0.23 or later * GNU binutils 2.9.1.0.23 or later
* Flex 2.5.35 or later * Flex 2.5.35 or later
* pkg-config
* Other standard GNU/Unix tools * Other standard GNU/Unix tools
* a libc with large file support (e.g. glibc 2.1 or later) * a libc with large file support (e.g. glibc 2.1 or later)
@ -52,7 +53,7 @@ For optional grub-emu features, you need:
To build GRUB's graphical terminal (gfxterm), you need: To build GRUB's graphical terminal (gfxterm), you need:
* FreeType 2 or later * FreeType 2.1.5 or later
* GNU Unifont * GNU Unifont
If you use a development snapshot or want to hack on GRUB you may If you use a development snapshot or want to hack on GRUB you may
@ -158,8 +159,8 @@ For this example the configure line might look like (more details below)
(some options are optional and included here for completeness but some rarely (some options are optional and included here for completeness but some rarely
used options are omitted): used options are omitted):
./configure BUILD_CC=gcc BUILD_FREETYPE=freetype-config --host=amd64-linux-gnu ./configure BUILD_CC=gcc BUILD_PKG_CONFIG=pkg-config --host=amd64-linux-gnu
CC=amd64-linux-gnu-gcc CFLAGS="-g -O2" FREETYPE=amd64-linux-gnu-freetype-config CC=amd64-linux-gnu-gcc CFLAGS="-g -O2" PKG_CONFIG=amd64-linux-gnu-pkg-config
--target=arm --with-platform=uboot TARGET_CC=arm-elf-gcc --target=arm --with-platform=uboot TARGET_CC=arm-elf-gcc
TARGET_CFLAGS="-Os -march=armv6" TARGET_CCASFLAGS="-march=armv6" TARGET_CFLAGS="-Os -march=armv6" TARGET_CCASFLAGS="-march=armv6"
TARGET_OBJCOPY="arm-elf-objcopy" TARGET_STRIP="arm-elf-strip" TARGET_OBJCOPY="arm-elf-objcopy" TARGET_STRIP="arm-elf-strip"
@ -176,7 +177,7 @@ corresponding platform are not needed for the platform in question.
2. BUILD_CFLAGS= for C options for build. 2. BUILD_CFLAGS= for C options for build.
3. BUILD_CPPFLAGS= for C preprocessor options for build. 3. BUILD_CPPFLAGS= for C preprocessor options for build.
4. BUILD_LDFLAGS= for linker options for build. 4. BUILD_LDFLAGS= for linker options for build.
5. BUILD_FREETYPE= for freetype-config for build (optional). 5. BUILD_PKG_CONFIG= for pkg-config for build (optional).
- For host - For host
1. --host= to autoconf name of host. 1. --host= to autoconf name of host.
@ -184,7 +185,7 @@ corresponding platform are not needed for the platform in question.
3. HOST_CFLAGS= for C options for host. 3. HOST_CFLAGS= for C options for host.
4. HOST_CPPFLAGS= for C preprocessor options for host. 4. HOST_CPPFLAGS= for C preprocessor options for host.
5. HOST_LDFLAGS= for linker options for host. 5. HOST_LDFLAGS= for linker options for host.
6. FREETYPE= for freetype-config for host (optional). 6. PKG_CONFIG= for pkg-config for host (optional).
7. Libdevmapper if any must be in standard linker folders (-ldevmapper) (optional). 7. Libdevmapper if any must be in standard linker folders (-ldevmapper) (optional).
8. Libfuse if any must be in standard linker folders (-lfuse) (optional). 8. Libfuse if any must be in standard linker folders (-lfuse) (optional).
9. Libzfs if any must be in standard linker folders (-lzfs) (optional). 9. Libzfs if any must be in standard linker folders (-lzfs) (optional).

74
configure.ac
View File

@ -50,6 +50,10 @@ AC_PREREQ(2.60)
AC_CONFIG_SRCDIR([include/grub/dl.h]) AC_CONFIG_SRCDIR([include/grub/dl.h])
AC_CONFIG_HEADER([config-util.h]) AC_CONFIG_HEADER([config-util.h])
# Explicitly check for pkg-config early on, since otherwise conditional
# calls are problematic.
PKG_PROG_PKG_CONFIG
# Program name transformations # Program name transformations
AC_ARG_PROGRAM AC_ARG_PROGRAM
grub_TRANSFORM([grub-bios-setup]) grub_TRANSFORM([grub-bios-setup])
@ -1508,29 +1512,22 @@ if test x"$enable_grub_mkfont" = xno ; then
grub_mkfont_excuse="explicitly disabled" grub_mkfont_excuse="explicitly disabled"
fi fi
if test x"$grub_mkfont_excuse" = x ; then
# Check for freetype libraries.
AC_CHECK_TOOLS([FREETYPE], [freetype-config])
if test "x$FREETYPE" = x ; then
grub_mkfont_excuse=["need freetype2 library"]
fi
fi
unset ac_cv_header_ft2build_h unset ac_cv_header_ft2build_h
if test x"$grub_mkfont_excuse" = x ; then if test x"$grub_mkfont_excuse" = x ; then
# Check for freetype libraries. # Check for freetype libraries.
FREETYPE_CFLAGS=`$FREETYPE --cflags` PKG_CHECK_MODULES([FREETYPE], [freetype2], [
FREETYPE_LIBS=`$FREETYPE --libs` SAVED_CPPFLAGS="$CPPFLAGS"
SAVED_CPPFLAGS="$CPPFLAGS" SAVED_LIBS="$LIBS"
SAVED_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS"
CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS" LIBS="$LIBS $FREETYPE_LIBS"
LIBS="$LIBS $FREETYPE_LIBS" AC_CHECK_HEADERS([ft2build.h], [],
AC_CHECK_HEADERS([ft2build.h], [], [grub_mkfont_excuse=["need freetype2 headers"]])
[grub_mkfont_excuse=["need freetype2 headers"]]) AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [], [grub_mkfont_excuse=["freetype2 library unusable"]]) [grub_mkfont_excuse=["freetype2 library unusable"]])
CPPFLAGS="$SAVED_CPPFLAGS" CPPFLAGS="$SAVED_CPPFLAGS"
LIBS="$SAVED_LIBS" LIBS="$SAVED_LIBS"
], [grub_mkfont_excuse=["need freetype2 library"]])
fi fi
if test x"$enable_grub_mkfont" = xyes && test x"$grub_mkfont_excuse" != x ; then if test x"$enable_grub_mkfont" = xyes && test x"$grub_mkfont_excuse" != x ; then
@ -1542,8 +1539,6 @@ else
enable_grub_mkfont=no enable_grub_mkfont=no
fi fi
AC_SUBST([enable_grub_mkfont]) AC_SUBST([enable_grub_mkfont])
AC_SUBST([FREETYPE_CFLAGS])
AC_SUBST([FREETYPE_LIBS])
SAVED_CC="$CC" SAVED_CC="$CC"
SAVED_CPP="$CPP" SAVED_CPP="$CPP"
@ -1573,25 +1568,21 @@ AC_SUBST([BUILD_WORDS_BIGENDIAN])
if test x"$grub_build_mkfont_excuse" = x ; then if test x"$grub_build_mkfont_excuse" = x ; then
# Check for freetype libraries. # Check for freetype libraries.
AC_CHECK_PROGS([BUILD_FREETYPE], [freetype-config]) SAVED_PKG_CONFIG="$PKG_CONFIG"
if test "x$BUILD_FREETYPE" = x ; then test -z "$BUILD_PKG_CONFIG" || PKG_CONFIG="$BUILD_PKG_CONFIG"
grub_build_mkfont_excuse=["need freetype2 library"] PKG_CHECK_MODULES([BUILD_FREETYPE], [freetype2], [
fi SAVED_CPPFLAGS_2="$CPPFLAGS"
fi SAVED_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $BUILD_FREETYPE_CFLAGS"
if test x"$grub_build_mkfont_excuse" = x ; then LIBS="$LIBS $BUILD_FREETYPE_LIBS"
# Check for freetype libraries. AC_CHECK_HEADERS([ft2build.h], [],
BUILD_FREETYPE_CFLAGS=`$BUILD_FREETYPE --cflags` [grub_build_mkfont_excuse=["need freetype2 headers"]])
BUILD_FREETYPE_LIBS=`$BUILD_FREETYPE --libs` AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
SAVED_CPPFLAGS_2="$CPPFLAGS" [grub_build_mkfont_excuse=["freetype2 library unusable"]])
SAVED_LIBS="$LIBS" LIBS="$SAVED_LIBS"
CPPFLAGS="$CPPFLAGS $BUILD_FREETYPE_CFLAGS" CPPFLAGS="$SAVED_CPPFLAGS_2"
LIBS="$LIBS $BUILD_FREETYPE_LIBS" ], [grub_build_mkfont_excuse=["need freetype2 library"]])
AC_CHECK_HEADERS([ft2build.h], [], PKG_CONFIG="$SAVED_PKG_CONFIG"
[grub_build_mkfont_excuse=["need freetype2 headers"]])
AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [], [grub_build_mkfont_excuse=["freetype2 library unusable"]])
LIBS="$SAVED_LIBS"
CPPFLAGS="$SAVED_CPPFLAGS_2"
fi fi
if test x"$enable_build_grub_mkfont" = xyes && test x"$grub_build_mkfont_excuse" != x ; then if test x"$enable_build_grub_mkfont" = xyes && test x"$grub_build_mkfont_excuse" != x ; then
@ -1610,9 +1601,6 @@ if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || tes
fi fi
fi fi
AC_SUBST([BUILD_FREETYPE_CFLAGS])
AC_SUBST([BUILD_FREETYPE_LIBS])
CC="$SAVED_CC" CC="$SAVED_CC"
CPP="$SAVED_CPP" CPP="$SAVED_CPP"
CFLAGS="$SAVED_CFLAGS" CFLAGS="$SAVED_CFLAGS"