From e23f8d206d85154a99c3f91d58a35227a279c479 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 4 Feb 2002 06:24:37 +0000 Subject: Update. 2002-02-03 Ulrich Drepper * config.h.in: Add HAVE_TLS_SUPPORT. * sysdeps/i386/elf/configure.in: New file. --- sysdeps/i386/elf/configure | 35 +++++++++++++++++++++++++++++++++++ sysdeps/i386/elf/configure.in | 28 ++++++++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100755 sysdeps/i386/elf/configure create mode 100644 sysdeps/i386/elf/configure.in (limited to 'sysdeps/i386') 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 diff --git a/sysdeps/i386/elf/configure.in b/sysdeps/i386/elf/configure.in new file mode 100644 index 0000000000..d7e1704540 --- /dev/null +++ b/sysdeps/i386/elf/configure.in @@ -0,0 +1,28 @@ +sinclude(./aclocal.m4)dnl Autoconf lossage +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/unix/sysv/linux. + +# Check for support of thread-local storage handling in assembler and +# linker. +AC_CACHE_CHECK(for i386 TLS support, libc_cv_386_tls, [dnl +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 $bar@TPOFF, %eax +EOF +dnl +if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then + libc_cv_386_tls=yes +else + libc_cv_386_tls=no +fi +rm -f conftest*]) +if test $libc_cv_386_tls = yes; then + AC_DEFINE(HAVE_TLS_SUPPORT) +fi -- cgit 1.4.1