diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/arm/Makefile | 5 | ||||
| -rw-r--r-- | sysdeps/arm/configure | 36 | ||||
| -rw-r--r-- | sysdeps/arm/configure.ac | 13 |
4 files changed, 11 insertions, 49 deletions
@@ -1,5 +1,11 @@ 2015-10-27 Joseph Myers <joseph@codesourcery.com> + * sysdeps/arm/configure.ac (libc_cv_arm_tls_desc): Remove + configure test. + * sysdeps/arm/configure: Regenerated. + * sysdeps/arm/Makefile [!have-arm-tls-desc] (have-arm-tls-desc): + Define variable if not already defined. + [BZ #17404] * sysdeps/mips/atomic-machine.h [__GNUC_PREREQ (4, 8) || (__mips16 && __GNUC_PREREQ (4, 7))]: diff --git a/sysdeps/arm/Makefile b/sysdeps/arm/Makefile index 17c129b2e1..2849aeda42 100644 --- a/sysdeps/arm/Makefile +++ b/sysdeps/arm/Makefile @@ -1,6 +1,11 @@ gnulib-arch = $(elf-objpfx)libgcc-stubs.a static-gnulib-arch = $(elf-objpfx)libgcc-stubs.a +# All supported build tools support TLS descriptors, but the OS may not. +ifndef have-arm-tls-desc +have-arm-tls-desc = yes +endif + ifeq ($(subdir),elf) sysdep-dl-routines += tlsdesc dl-tlsdesc sysdep_routines += aeabi_unwind_cpp_pr1 find_exidx diff --git a/sysdeps/arm/configure b/sysdeps/arm/configure index 87ec430da1..431e843b2b 100644 --- a/sysdeps/arm/configure +++ b/sysdeps/arm/configure @@ -176,42 +176,6 @@ else default-abi = soft" fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the build tools support the GNU descriptor TLS scheme" >&5 -$as_echo_n "checking whether the build tools support the GNU descriptor TLS scheme... " >&6; } -if ${libc_cv_arm_tls_desc+:} false; then : - $as_echo_n "(cached) " >&6 -else - old_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -mtls-dialect=gnu2" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -asm (".word\tfoo(tlsdesc)"); -int -main () -{ - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - libc_cv_arm_tls_desc=yes -else - libc_cv_arm_tls_desc=no -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - CFLAGS="$old_CFLAGS" -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tls_desc" >&5 -$as_echo "$libc_cv_arm_tls_desc" >&6; } -if test $libc_cv_arm_tls_desc = yes; then - config_vars="$config_vars -have-arm-tls-desc = yes" -else - config_vars="$config_vars -have-arm-tls-desc = no" -fi - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether PC-relative relocs in movw/movt work properly" >&5 $as_echo_n "checking whether PC-relative relocs in movw/movt work properly... " >&6; } if ${libc_cv_arm_pcrel_movw+:} false; then : diff --git a/sysdeps/arm/configure.ac b/sysdeps/arm/configure.ac index a9b114e3b9..90cdd69c75 100644 --- a/sysdeps/arm/configure.ac +++ b/sysdeps/arm/configure.ac @@ -26,19 +26,6 @@ else LIBC_CONFIG_VAR([default-abi], [soft]) fi -AC_CACHE_CHECK([whether the build tools support the GNU descriptor TLS scheme], - [libc_cv_arm_tls_desc], - [old_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -mtls-dialect=gnu2" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([asm (".word\tfoo(tlsdesc)");], [])], - [libc_cv_arm_tls_desc=yes], [libc_cv_arm_tls_desc=no]) - CFLAGS="$old_CFLAGS"]) -if test $libc_cv_arm_tls_desc = yes; then - LIBC_CONFIG_VAR([have-arm-tls-desc], [yes]) -else - LIBC_CONFIG_VAR([have-arm-tls-desc], [no]) -fi - AC_CACHE_CHECK([whether PC-relative relocs in movw/movt work properly], libc_cv_arm_pcrel_movw, [ cat > conftest.s <<\EOF |