diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 77456aa8d9..2c6308883c 100644 --- a/configure.ac +++ b/configure.ac @@ -1298,6 +1298,27 @@ EOF ]) AC_SUBST(libc_cv_protected_data) +AC_CACHE_CHECK(linker support for INSERT in linker script, + libc_cv_insert, + [cat > conftest.c <<EOF + const int __attribute__ ((section(".bar"))) bar = 0x12345678; + int test (void) { return bar; } +EOF + cat > conftest.t <<EOF + SECTIONS + { + .bar : { *(.bar) } + } + INSERT AFTER .rela.dyn; +EOF + libc_cv_insert=no + if AC_TRY_COMMAND([${CC-cc} -nostdlib -nostartfiles $no_ssp -fPIC -shared conftest.c -Wl,-T,conftest.t -o conftest.so]); then + libc_cv_insert=yes + fi + rm -f conftest.* + ]) +AC_SUBST(libc_cv_insert) + AC_CACHE_CHECK(for broken __attribute__((alias())), libc_cv_broken_alias_attribute, [cat > conftest.c <<EOF |