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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-11-21 12:31:01 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-11-21 12:34:32 -0800 |
| commit | 6bfea97493900d456245ca9f29765e1f0ee9d649 (patch) | |
| tree | 29187abc833cddbe02fe07b6eb96232300f9ab49 /configure.in | |
| parent | ad35f2dd750ed3e3f483409ef50b38ea19745002 (diff) | |
| download | glibc-6bfea97493900d456245ca9f29765e1f0ee9d649.zip glibc-6bfea97493900d456245ca9f29765e1f0ee9d649.tar.gz glibc-6bfea97493900d456245ca9f29765e1f0ee9d649.tar.bz2 | |
Properly check linker -z XXX support
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 71 |
1 files changed, 11 insertions, 60 deletions
diff --git a/configure.in b/configure.in index 9decd7d..a7f7198 100644 --- a/configure.in +++ b/configure.in @@ -1409,53 +1409,17 @@ if test $libc_cv_cc_with_libunwind = yes; then AC_DEFINE(HAVE_CC_WITH_LIBUNWIND) fi -AC_CACHE_CHECK(for -z nodelete option, - libc_cv_z_nodelete, [dnl -cat > conftest.c <<EOF -int _start (void) { return 42; } -EOF -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS - -fPIC -shared -o conftest.so conftest.c - -nostartfiles -nostdlib - -Wl,--enable-new-dtags,-z,nodelete 1>&AS_MESSAGE_LOG_FD]) -then - libc_cv_z_nodelete=yes -else - AC_MSG_ERROR(linker with -z nodelete support required) -fi -rm -f conftest*]) +LIBC_LINKER_FEATURE([-z nodelete], [-Wl,--enable-new-dtags,-z,nodelete], + [libc_cv_z_nodelete=yes], + [AC_MSG_ERROR(linker with -z nodelete support required)]) -AC_CACHE_CHECK(for -z nodlopen option, - libc_cv_z_nodlopen, [dnl -cat > conftest.c <<EOF -int _start (void) { return 42; } -EOF -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS - -fPIC -shared -o conftest.so conftest.c - -nostartfiles -nostdlib - -Wl,--enable-new-dtags,-z,nodlopen 1>&AS_MESSAGE_LOG_FD]) -then - libc_cv_z_nodlopen=yes -else - AC_MSG_ERROR(linker with -z nodlopen support required) -fi -rm -f conftest*]) +LIBC_LINKER_FEATURE([-z nodlopen], [-Wl,--enable-new-dtags,-z,nodlopen], + [libc_cv_z_nodlopen=yes], + [AC_MSG_ERROR(linker with -z nodlopen support required)]) -AC_CACHE_CHECK(for -z initfirst option, - libc_cv_z_initfirst, [dnl -cat > conftest.c <<EOF -int _start (void) { return 42; } -EOF -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS - -fPIC -shared -o conftest.so conftest.c - -nostartfiles -nostdlib - -Wl,--enable-new-dtags,-z,initfirst 1>&AS_MESSAGE_LOG_FD]) -then - libc_cv_z_initfirst=yes -else - AC_MSG_ERROR(linker with -z initfirst support required) -fi -rm -f conftest*]) +LIBC_LINKER_FEATURE([-z initfirst], [-Wl,--enable-new-dtags,-z,initfirst], + [libc_cv_z_initfirst=yes], + [AC_MSG_ERROR(linker with -z initfirst support required)]) # Add-on fragments can set these for other machines. libc_commonpagesize=${libc_commonpagesize:-no} @@ -1593,21 +1557,8 @@ if test "$libc_cv_z_combreloc" = yes; then fi AC_SUBST(libc_cv_z_combreloc) -AC_CACHE_CHECK(for -z execstack, - libc_cv_z_execstack, [dnl -cat > conftest.c <<EOF -int _start (void) { return 42; } -EOF -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS - -fPIC -shared -o conftest.so conftest.c - -Wl,-z,execstack -nostdlib - 1>&AS_MESSAGE_LOG_FD]) -then - libc_cv_z_execstack=yes -else - libc_cv_z_execstack=no -fi -rm -f conftest*]) +LIBC_LINKER_FEATURE([-z execstack], [-Wl,-z,execstack], + [libc_cv_z_execstack=yes], [libc_cv_z_execstack=no]) AC_SUBST(libc_cv_z_execstack) AC_CACHE_CHECK(for -fpie, libc_cv_fpie, [dnl |