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reintroduce BUILD_LDFLAGS for the cross-compile case

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This allows providing separate LDFLAGS for build and host environments, which
are not necessary the same for cross-compile case. In particular, it allows
building host programs statically to not depend on presence of libraries at
run-time (e.g. MinGW DLLs on Windows) while continue to use default dynamic
linking at build time.

Also fix obsolete comments in confgure.ac - we do use different environment
for build and host now.
This commit is contained in:
Andrey Borzenkov 2014-01-18 19:50:54 +04:00
parent ae80f31270
commit dcecae1a49
5 changed files with 24 additions and 13 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2014-01-07 Andrey Borzenkov <arvidjaar@gmail.com>
* configure.ac: Add support for BUILD_LDFLAGS.
* Makefile.am: Use BUILD_LDFLAGS for build time programs here ...
* grub-core/Makefile.am: ... and here.
* INSTALL: Mention BUILD_LDFLAGS.
2014-01-18 Vladimir Serbinenko <phcoder@gmail.com>
* util/grub-mount.c: Extend GCC warning workaround to grub-mount.

3
INSTALL
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@ -168,7 +168,8 @@ corresponding platform are not needed for the platform in question.
generate sin and cos tables.
2. BUILD_CFLAGS= for C options for build.
3. BUILD_CPPFLAGS= for C preprocessor options for build.
4. BUILD_FREETYPE= for freetype-config for build (optional).
4. BUILD_LDFLAGS= for linker options for build.
5. BUILD_FREETYPE= for freetype-config for build (optional).
- For host
1. --host= to autoconf name of host.

8
Makefile.am
View file

@ -67,20 +67,20 @@ endif
starfield_theme_files = $(srcdir)/themes/starfield/blob_w.png $(srcdir)/themes/starfield/boot_menu_c.png $(srcdir)/themes/starfield/boot_menu_e.png $(srcdir)/themes/starfield/boot_menu_ne.png $(srcdir)/themes/starfield/boot_menu_n.png $(srcdir)/themes/starfield/boot_menu_nw.png $(srcdir)/themes/starfield/boot_menu_se.png $(srcdir)/themes/starfield/boot_menu_s.png $(srcdir)/themes/starfield/boot_menu_sw.png $(srcdir)/themes/starfield/boot_menu_w.png $(srcdir)/themes/starfield/slider_c.png $(srcdir)/themes/starfield/slider_n.png $(srcdir)/themes/starfield/slider_s.png $(srcdir)/themes/starfield/starfield.png $(srcdir)/themes/starfield/terminal_box_c.png $(srcdir)/themes/starfield/terminal_box_e.png $(srcdir)/themes/starfield/terminal_box_ne.png $(srcdir)/themes/starfield/terminal_box_n.png $(srcdir)/themes/starfield/terminal_box_nw.png $(srcdir)/themes/starfield/terminal_box_se.png $(srcdir)/themes/starfield/terminal_box_s.png $(srcdir)/themes/starfield/terminal_box_sw.png $(srcdir)/themes/starfield/terminal_box_w.png $(srcdir)/themes/starfield/theme.txt $(srcdir)/themes/starfield/README $(srcdir)/themes/starfield/COPYING.CC-BY-SA-3.0
build-grub-mkfont: util/grub-mkfont.c grub-core/unidata.c grub-core/kern/emu/misc.c util/misc.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-mkfont\" $^ $(build_freetype_cflags) $(build_freetype_libs)
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-mkfont\" $^ $(build_freetype_cflags) $(build_freetype_libs)
CLEANFILES += build-grub-mkfont
garbage-gen: util/garbage-gen.c
$(BUILD_CC) -o $@ $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $^
$(BUILD_CC) -o $@ $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) $^
CLEANFILES += garbage-gen
EXTRA_DIST += util/garbage-gen.c
build-grub-gen-asciih: util/grub-gen-asciih.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
CLEANFILES += build-grub-gen-asciih
build-grub-gen-widthspec: util/grub-gen-widthspec.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
CLEANFILES += build-grub-gen-widthspec
if COND_STARFIELD

13
configure.ac
View file

@ -26,11 +26,10 @@ dnl This is necessary because the target type in autoconf does not
dnl describe such a system very well.
dnl
dnl The current strategy is to use variables with no prefix (such as
dnl CC, CFLAGS, etc.) for the host type as well as the build type,
dnl because GRUB does not need to use those variables for the build
dnl type, so there is no conflict. Variables with the prefix "TARGET_"
dnl (such as TARGET_CC, TARGET_CFLAGS, etc.) are used for the target
dnl type.
dnl CC, CFLAGS, etc.) for the host type, variables with prefix "BUILD_"
dnl (such as BUILD_CC, BUILD_CFLAGS, etc.) for the build type and variables
dnl with the prefix "TARGET_" (such as TARGET_CC, TARGET_CFLAGS, etc.) are
dnl used for the target type. See INSTALL for full list of variables.
AC_INIT([GRUB],[2.02~beta2],[bug-grub@gnu.org])
@ -477,6 +476,7 @@ AC_SUBST(HOST_CC)
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_CPPFLAGS)
AC_SUBST(BUILD_LDFLAGS)
AC_SUBST(TARGET_CC)
AC_SUBST(TARGET_NM)
AC_SUBST(TARGET_RANLIB)
@ -1290,10 +1290,12 @@ SAVED_CC="$CC"
SAVED_CPP="$CPP"
SAVED_CFLAGS="$CFLAGS"
SAVED_CPPFLAGS="$CPPFLAGS"
SAVED_LDFLAGS="$LDFLAGS"
CC="$BUILD_CC"
CPP="$BUILD_CPP"
CFLAGS="$BUILD_CFLAGS"
CPPFLAGS="$BUILD_CPPFLAGS"
LDFLAGS="$BUILD_LDFAGS"
unset ac_cv_c_bigendian
unset ac_cv_header_ft2build_h
@ -1356,6 +1358,7 @@ CC="$SAVED_CC"
CPP="$SAVED_CPP"
CFLAGS="$SAVED_CFLAGS"
CPPFLAGS="$SAVED_CPPFLAGS"
LDFLAGS="$SAVED_LDFLAGS"
DJVU_FONT_SOURCE=

6
grub-core/Makefile.am
View file

@ -27,14 +27,14 @@ CPPFLAGS_LIBRARY += $(CPPFLAGS_PLATFORM)
CCASFLAGS_LIBRARY += $(CCASFLAGS_PLATFORM)
build-grub-pep2elf: $(top_srcdir)/util/grub-pe2elf.c $(top_srcdir)/grub-core/kern/emu/misc.c $(top_srcdir)/util/misc.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=64 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pep2elf\" $^
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=64 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pep2elf\" $^
build-grub-pe2elf: $(top_srcdir)/util/grub-pe2elf.c $(top_srcdir)/grub-core/kern/emu/misc.c $(top_srcdir)/util/misc.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=32 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pe2elf\" $^
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=32 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pe2elf\" $^
# gentrigtables
gentrigtables: gentrigtables.c
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $< $(BUILD_LIBM)
$(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) $< $(BUILD_LIBM)
CLEANFILES += gentrigtables
# trigtables.c