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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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54
acinclude.m4
View file

@ -74,7 +74,7 @@ AC_MSG_RESULT([$grub_cv_asm_uscore])
dnl Some versions of `objcopy -O binary' vary their output depending
dnl on the link address.
AC_DEFUN([grub_PROG_OBJCOPY_ABSOLUTE],
[AC_MSG_CHECKING([whether ${OBJCOPY} works for absolute addresses])
[AC_MSG_CHECKING([whether ${TARGET_OBJCOPY} works for absolute addresses])
AC_CACHE_VAL(grub_cv_prog_objcopy_absolute,
[cat > conftest.c <<\EOF
void cmain (void);
@ -95,9 +95,9 @@ for link_addr in 0x2000 0x8000 0x7C00; do
else
AC_MSG_ERROR([${CC-cc} cannot link at address $link_addr])
fi
if AC_TRY_COMMAND([${OBJCOPY-objcopy} --only-section=.text -O binary conftest.exec conftest]); then :
if AC_TRY_COMMAND([${TARGET_OBJCOPY-objcopy} --only-section=.text -O binary conftest.exec conftest]); then :
else
AC_MSG_ERROR([${OBJCOPY-objcopy} cannot create binary files])
AC_MSG_ERROR([${TARGET_OBJCOPY-objcopy} cannot create binary files])
fi
if test ! -f conftest.old || AC_TRY_COMMAND([cmp -s conftest.old conftest]); then
mv -f conftest conftest.old
@ -134,6 +134,54 @@ if test "x$grub_cv_prog_ld_build_id_none" = xyes; then
fi
])
dnl Supply -P to nm
AC_DEFUN([grub_PROG_NM_MINUS_P],
[AC_MSG_CHECKING([whether nm accepts -P])
AC_CACHE_VAL(grub_cv_prog_nm_minus_p,
[
nm_minus_p_tmp_dir="$(mktemp -d "./confXXXXXX")"
AC_LANG_CONFTEST([AC_LANG_PROGRAM([[]], [[]])])
$TARGET_CC conftest.c -o "$nm_minus_p_tmp_dir/ef"
if $TARGET_NM -P "$nm_minus_p_tmp_dir/ef" 2>&1 > /dev/null; then
grub_cv_prog_nm_minus_p=yes
else
grub_cv_prog_nm_minus_p=no
fi
rm "$nm_minus_p_tmp_dir/ef"
])
AC_MSG_RESULT([$grub_cv_prog_nm_minus_p])
if test "x$grub_cv_prog_nm_minus_p" = xyes; then
TARGET_NMFLAGS_MINUS_P="-P"
else
TARGET_NMFLAGS_MINUS_P=
fi
])
dnl Supply --defined-only to nm
AC_DEFUN([grub_PROG_NM_DEFINED_ONLY],
[AC_MSG_CHECKING([whether nm accepts --defined-only])
AC_CACHE_VAL(grub_cv_prog_nm_defined_only,
[
nm_defined_only_tmp_dir="$(mktemp -d "./confXXXXXX")"
AC_LANG_CONFTEST([AC_LANG_PROGRAM([[]], [[]])])
$TARGET_CC conftest.c -o "$nm_defined_only_tmp_dir/ef"
if $TARGET_NM --defined-only "$nm_defined_only_tmp_dir/ef" 2>&1 > /dev/null; then
grub_cv_prog_nm_defined_only=yes
else
grub_cv_prog_nm_defined_only=no
fi
rm "$nm_defined_only_tmp_dir/ef"
])
AC_MSG_RESULT([$grub_cv_prog_nm_defined_only])
if test "x$grub_cv_prog_nm_defined_only" = xyes; then
TARGET_NMFLAGS_DEFINED_ONLY=--defined-only
else
TARGET_NMFLAGS_DEFINED_ONLY=
fi
])
dnl Mass confusion!
dnl Older versions of GAS interpret `.code16' to mean ``generate 32-bit