diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/configure.ac b/configure.ac index 8574bc6..6f0dbd6 100644 --- a/configure.ac +++ b/configure.ac @@ -13,15 +13,11 @@ AC_DEFINE_UNQUOTED(PACKAGE_DATE, "30th October 2007", dnl -- Compilation platform configuration +dnl -- the host specifices the host machine for the kexec binary, the +dnl -- the target specifies the architecture of the kernel to be kexeced. AC_CANONICAL_HOST -dnl Currentl AC_CANONICAL_HOST is sufficient for my needs -dnl as there are only a small number of targets that kexec -dnl can support on a given host system. If it stops making -dnl sense compile support for all possible targets a given -dnl host can support AC_CANONICAL_TARGET may help AC_CANONICAL_TARGET - dnl Compute ARCH from target cpu info case $target_cpu in i?86 ) @@ -54,18 +50,8 @@ if test "${host_alias}" ; then OBJDIR="$OBJDIR-${host_alias}" fi -EXTRA_CFLAGS='-Wall -g -fno-strict-aliasing -Wstrict-prototypes $(CPPFLAGS) $(EXTRA_CPPFLAGS)' -BUILD_CFLAGS='-O2 -Wall $(CPPFLAGS)' - -# Check whether ppc64. Add -m64 for building 64-bit binary -# Add -mcall-aixdesc to generate dot-symbols as in gcc 3.3.3 -if test "$host_cpu" = ppc64; then - EXTRA_CFLAGS="$EXTRA_CFLAGS -m64 -mcall-aixdesc" -fi; - -if test "$host_cpu" = ppc; then - EXTRA_CFLAGS="$EXTRA_CFLAGS -m32" -fi; +BUILD_CFLAGS='-O2 -Wall' +TARGET_CFLAGS='-O2 -Wall' AC_ARG_WITH([objdir], AC_HELP_STRING([--with-objdir=<dir>],[select directory for object files]), [ OBJDIR="$withval" ], [ OBJDIR="$OBJDIR" ]) @@ -87,11 +73,17 @@ dnl To specify a different compiler, just 'export CC=/path/to/compiler' AC_PROG_CC if test "${build}" != "${host}" ; then - BUILD_CC=${CC_FOR_BUILD-gcc} + AC_CHECK_PROGS(BUILD_CC, [${build_alias}-gcc ${build}-gcc gcc]) else - BUILD_CC="\$(CC)" + BUILD_CC="$CC" fi +dnl Find compiler for target +if test "${target}" != "${host}" ; then + AC_CHECK_PROGS(TARGET_CC, [${target_alias}-gcc ${target}-gcc gcc]) +else + TARGET_CC="$CC" +fi dnl Find the compiler tool chain AC_PROG_CPP @@ -149,11 +141,13 @@ if test "$DIRNAME" = "no"; then AC_MSG_ERROR([ dirname not found]) fi dnl ---Output variables... AC_SUBST([BUILD_CC]) AC_SUBST([BUILD_CFLAGS]) +AC_SUBST([TARGET_CC]) +AC_SUBST([TARGET_CFLAGS]) +AC_SUBST([ASFLAGS]) -AC_SUBST([EXTRA_CFLAGS]) AC_SUBST([ARCH]) AC_SUBST([OBJDIR]) AC_SUBST([INSTALL]) dnl ---Output -AC_OUTPUT([Makefile.conf]) +AC_OUTPUT([Makefile]) |