diff options
Diffstat (limited to 'sysdeps/i386/elf/configure')
| -rwxr-xr-x | sysdeps/i386/elf/configure | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/i386/elf/configure b/sysdeps/i386/elf/configure new file mode 100755 index 0000000000..e12bf4a164 --- /dev/null +++ b/sysdeps/i386/elf/configure @@ -0,0 +1,35 @@ + # Local configure fragment for sysdeps/unix/sysv/linux. + +# Check for support of thread-local storage handling in assembler and +# linker. +echo $ac_n "checking for i386 TLS support""... $ac_c" 1>&6 +echo "configure:7: checking for i386 TLS support" >&5 +if eval "test \"`echo '$''{'libc_cv_386_tls'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.s <<\EOF + .section ".tdata", "awT", @progbits +foo: .long 1 + .section ".tbss", "awT", @nobits + .comm bar,4,4 + .text +baz: leal bar@TLSLDM(%ebx), %eax + leal bar@DTPOFF(%eax), %edx + subl foo@GOTTPOFF(%edx), %eax + subl $bar@TPOFF, %eax +EOF +if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:22: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + libc_cv_386_tls=yes +else + libc_cv_386_tls=no +fi +rm -f conftest* +fi + +echo "$ac_t""$libc_cv_386_tls" 1>&6 +if test $libc_cv_386_tls = yes; then + cat >> confdefs.h <<\EOF +#define HAVE_TLS_SUPPORT 1 +EOF + +fi |