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* INSTALL: Document cross-compilation.

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* acinclude.m4: Determine whether nm support -P and --defined-only.
	* configure.ac: Add TARGET_ to all variables pertaining to target
	that don't have it yet.
	* gentpl.py: Likewise.
	* grub-core/Makefile.am: Likewise.
	* grub-core/genmod.sh.in: Likewise.
	* grub-core/gensyminfo.sh.in: Handle OpenBSD and other non-GNU nm
	as well.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-08-22 01:56:28 +02:00
parent ca1fb56345
commit fc97214f7e
8 changed files with 187 additions and 37 deletions
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45
configure.ac
View file

@ -172,6 +172,10 @@ case "$host_os" in
mingw32*) host_os=cygwin ;;
esac
case "$target_os" in
mingw32*) target_os=cygwin ;;
esac
# This normalizes the names, and creates a new variable ("host_kernel")
# while at it, since the mapping is not always 1:1 (e.g. different OSes
# using the same kernel type).
@ -408,24 +412,28 @@ if test "x$target_alias" != x && test "x$host_alias" != "x$target_alias"; then
AC_CHECK_TOOLS(TARGET_CC, [gcc egcs cc],
[AC_MSG_ERROR([none of gcc, egcs and cc is found. set TARGET_CC manually.])])
AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(STRIP, strip)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(TARGET_OBJCOPY, objcopy)
AC_CHECK_TOOL(TARGET_STRIP, strip)
AC_CHECK_TOOL(TARGET_NM, nm)
ac_tool_prefix="$tmp_ac_tool_prefix"
else
if test "x$TARGET_CC" = x; then
TARGET_CC=$CC
fi
AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(STRIP, strip)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(TARGET_OBJCOPY, objcopy)
AC_CHECK_TOOL(TARGET_STRIP, strip)
AC_CHECK_TOOL(TARGET_NM, nm)
fi
AC_SUBST(HOST_CC)
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_CPPFLAGS)
AC_SUBST(TARGET_CC)
AC_SUBST(TARGET_NM)
AC_SUBST(TARGET_STRIP)
AC_SUBST(TARGET_OBJCOPY)
# Test the C compiler for the target environment.
tmp_CC="$CC"
@ -439,6 +447,11 @@ CPPFLAGS="$TARGET_CPPFLAGS"
LDFLAGS="$TARGET_LDFLAGS"
LIBS=""
grub_PROG_NM_MINUS_P
grub_PROG_NM_DEFINED_ONLY
AC_SUBST(TARGET_NMFLAGS_MINUS_P)
AC_SUBST(TARGET_NMFLAGS_DEFINED_ONLY)
# debug flags.
WARN_FLAGS="-Wall -W -Wshadow -Wold-style-definition -Wpointer-arith -Wundef -Wextra -Waddress -Wattributes -Wcast-align -Wchar-subscripts -Wcomment -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wfloat-equal -Wformat-extra-args -Wformat-security -Wformat-y2k -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-field-initializers -Wmissing-format-attribute -Wmissing-noreturn -Wmultichar -Wnonnull -Woverflow -Wparentheses -Wpointer-arith -Wpointer-to-int-cast -Wreturn-type -Wsequence-point -Wshadow -Wsign-compare -Wstrict-aliasing -Wswitch -Wtrigraphs -Wundef -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -Wnested-externs -Wstrict-prototypes -Wpointer-sign"
HOST_CFLAGS="$HOST_CFLAGS $WARN_FLAGS"
@ -507,11 +520,11 @@ if test x$grub_cv_apple_target_cc = xyes ; then
CFLAGS="$CFLAGS -fnested-functions"
TARGET_APPLE_CC=1
AC_CHECK_PROG([OBJCONV], [objconv], [objconv], [])
if test "x$OBJCONV" = x ; then
AC_CHECK_PROG([OBJCONV], [objconv], [./objconv], [], [.])
AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [objconv], [])
if test "x$TARGET_OBJCONV" = x ; then
AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [./objconv], [], [.])
fi
if test "x$OBJCONV" = x ; then
if test "x$TARGET_OBJCONV" = x ; then
AC_MSG_ERROR([objconv not found which is required when building with apple compiler])
fi
TARGET_IMG_LDSCRIPT=
@ -524,10 +537,10 @@ else
TARGET_APPLE_CC=0
TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
# Use linker script if present, otherwise use builtin -N script.
if test -f "${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"; then
TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/${grub_coredir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
if test -f "${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"; then
TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"
TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT}"
TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"
TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
else
TARGET_IMG_LDSCRIPT=
@ -542,7 +555,7 @@ AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
# For platforms where ELF is not the default link format.
AC_MSG_CHECKING([for command to convert module to ELF format])
case "${host_os}" in
case "${target_os}" in
cygwin) TARGET_OBJ2ELF='$(top_builddir)/grub-pe2elf';
# FIXME: put proper test here
NEED_REGISTER_FRAME_INFO=1
@ -695,7 +708,7 @@ GRUB_PLATFORM="${platform}"
AC_SUBST(GRUB_TARGET_CPU)
AC_SUBST(GRUB_PLATFORM)
AC_SUBST(OBJCONV)
AC_SUBST(TARGET_OBJCONV)
AC_SUBST(TARGET_CPP)
AC_SUBST(TARGET_CCAS)
AC_SUBST(TARGET_OBJ2ELF)
@ -1261,7 +1274,7 @@ AM_CONDITIONAL([COND_ENABLE_BOOT_TIME_STATS], [test x$BOOT_TIME_STATS = x1])
AM_CONDITIONAL([COND_HAVE_CXX], [test x$HAVE_CXX = xyes])
AM_CONDITIONAL([COND_HAVE_ASM_USCORE], [test x$HAVE_ASM_USCORE = x1])
AM_CONDITIONAL([COND_CYGWIN], [test x$host_os = xcygwin])
AM_CONDITIONAL([COND_CYGWIN], [test x$target_os = xcygwin])
AM_CONDITIONAL([COND_STARFIELD], [test "x$starfield_excuse" = x])
# Output files.