diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 66 |
1 files changed, 25 insertions, 41 deletions
diff --git a/configure.in b/configure.in index 2ad7906353..8d5ed59f6c 100644 --- a/configure.in +++ b/configure.in @@ -194,12 +194,6 @@ AC_ARG_WITH([tls], [usetls=$withval], [usetls=yes]) -AC_ARG_WITH([__thread], - AC_HELP_STRING([--without-__thread], - [do not use TLS features even when supporting them]), - [use__thread=$withval], - [use__thread=yes]) - AC_ARG_ENABLE([hidden-plt], AC_HELP_STRING([--disable-hidden-plt], [do not hide internal function calls to avoid PLT]), @@ -2078,10 +2072,9 @@ else libc_cv_ld_no_whole_archive=no fi rm -f conftest*]) -if test $libc_cv_ld_no_whole_archive = yes; then - no_whole_archive=-Wl,--no-whole-archive +if test $libc_cv_ld_no_whole_archive = no; then + AC_MSG_ERROR([support for --no-whole-archive is needed]) fi -AC_SUBST(no_whole_archive)dnl AC_CACHE_CHECK(for gcc -fexceptions, libc_cv_gcc_exceptions, [dnl cat > conftest.c <<\EOF @@ -2133,8 +2126,8 @@ else libc_cv_gcc_builtin_expect=no fi rm -f conftest*]) -if test "$libc_cv_gcc_builtin_expect" = yes; then - AC_DEFINE(HAVE_BUILTIN_EXPECT) +if test "$libc_cv_gcc_builtin_expect" = no; then + AC_MSG_ERROR([support for __builtin_expect needed]) fi AC_CACHE_CHECK(for __builtin_memset, libc_cv_gcc_builtin_memset, [dnl @@ -2172,44 +2165,38 @@ else libc_cv_gcc_builtin_redirection=no fi rm -f conftest* ]) -if test "$libc_cv_gcc_builtin_redirection" = yes ; then - AC_DEFINE(HAVE_BUILTIN_REDIRECTION) +if test "$libc_cv_gcc_builtin_redirection" = no; then + AC_MSG_ERROR([support for the symbol redirection needed]) fi dnl Check whether the compiler supports the __thread keyword. -if test "x$use__thread" != xno; then - AC_CACHE_CHECK([for __thread], libc_cv_gcc___thread, - [cat > conftest.c <<\EOF +AC_CACHE_CHECK([for __thread], libc_cv_gcc___thread, +[cat > conftest.c <<\EOF __thread int a = 42; EOF - if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc___thread=yes - else - libc_cv_gcc___thread=no - fi - rm -f conftest*]) - if test "$libc_cv_gcc___thread" = yes; then - AC_DEFINE(HAVE___THREAD) - fi +if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&AS_MESSAGE_LOG_FD]); then + libc_cv_gcc___thread=yes else libc_cv_gcc___thread=no fi +rm -f conftest*]) +if test "$libc_cv_gcc___thread" = no; then + AC_MSG_ERROR([support for the __thread keyword is required]) +fi -if test "$libc_cv_gcc___thread" = yes; then - dnl Check whether the compiler supports the tls_model attribute. - AC_CACHE_CHECK([for tls_model attribute], libc_cv_gcc_tls_model_attr, [dnl - cat > conftest.c <<\EOF +dnl Check whether the compiler supports the tls_model attribute. +AC_CACHE_CHECK([for tls_model attribute], libc_cv_gcc_tls_model_attr, [dnl +cat > conftest.c <<\EOF extern __thread int a __attribute__((tls_model ("initial-exec"))); EOF - if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc_tls_model_attr=yes - else - libc_cv_gcc_tls_model_attr=no - fi - rm -f conftest*]) - if test "$libc_cv_gcc_tls_model_attr" = yes; then - AC_DEFINE(HAVE_TLS_MODEL_ATTRIBUTE) - fi +if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&AS_MESSAGE_LOG_FD]); then + libc_cv_gcc_tls_model_attr=yes +else + libc_cv_gcc_tls_model_attr=no +fi +rm -f conftest*]) +if test "$libc_cv_gcc_tls_model_attr" = no; then + AC_MSG_ERROR([support for the tls_model attribute is required]) fi if test -n "$submachine"; then @@ -2327,9 +2314,6 @@ if test x$libc_cv_gcc_unwind_find_fde = xyes; then fi AC_SUBST(libc_cv_gcc_unwind_find_fde) -dnl This is tested by existing code and it's simpler to avoid changing it. -AC_DEFINE(USE_IN_LIBIO) - # Test for old glibc 2.0.x headers so that they can be removed properly # Search only in includedir. AC_MSG_CHECKING(for old glibc 2.0.x headers) |