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- configure.ac: cross-compilation fix
- This patch enables to configure the package when cross-compiling in a way
- recommended by Autoconf manual (see manual for version 2.69, Section 6.6
- Checking Runtime Behavior).
- Signed-off-by: Alexander Lukichev <alexander.lukichev@gmail.com>
- --- a/openpgm/pgm/configure.ac 2011-09-27 20:59:08.000000000 +0300
- +++ b/openpgm/pgm/configure.ac 2013-02-12 10:33:53.000000000 +0200
- @@ -272,14 +272,19 @@ uint32_t add32_with_carry (uint32_t a, u
- ;;
- esac
- # ticket spinlock friendly: unaligned pointers & atomic ops (excl. Sun Pro)
- -AC_MSG_CHECKING([for unaligned pointers])
- -AC_RUN_IFELSE(
- - [AC_LANG_PROGRAM([[char* nezumi = "mouse";]],
- - [[short x = *(short*)(nezumi + 2)]])],
- - [AC_MSG_RESULT([yes])
- - pgm_unaligned_pointers=yes],
- - [AC_MSG_RESULT([no])
- - pgm_unaligned_pointers=no])
- +AC_CACHE_CHECK([if unaligned access fails], [ac_cv_lbl_unaligned_fail],
- + [AC_RUN_IFELSE(
- + [AC_LANG_PROGRAM([[char* nezumi = "mouse";]],
- + [[short x = *(short*)(nezumi + 2)]])],
- + [ac_cv_lbl_unaligned_fail=no],
- + [ac_cv_lbl_unaligned_fail=yes],
- + [ac_cv_lbl_unaligned_fail=yes])
- + ])
- +if test "$ac_cv_lbl_unaligned_fail" = yes; then
- + pgm_unaligned_pointers=no
- +else
- + pgm_unaligned_pointers=yes
- +fi
- AC_MSG_CHECKING([for intrinsic atomic ops])
- # AC_PREPROC_IFELSE not always portable
- AC_COMPILE_IFELSE(
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