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enable.m4: New file.

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config:
	* enable.m4: New file.
	* tls.m4: New file.
libmudflap:
	* aclocal.m4, configure: Rebuilt.
	* configure.ac: Use GCC_CHECK_TLS.
	* acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
	to ../config.

From-SVN: r104571
This commit is contained in:
Tom Tromey 2005-09-23 16:33:47 +00:00 committed by Tom Tromey
parent 9304100dbf
commit e1e73e8db7
9 changed files with 80 additions and 63 deletions
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5
config/ChangeLog
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@ -1,3 +1,8 @@
2005-09-23 Tom Tromey <tromey@redhat.com>
* enable.m4: New file.
* tls.m4: New file.
2005-08-12 Paolo Bonzini <bonzini@gnu.org>
* config/acx.m4 (NCN_CHECK_TARGET_TOOL, NCN_STRICT_CHECK_TOOL,

38
config/enable.m4 Normal file
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@ -0,0 +1,38 @@
dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libstdc++-v3.
dnl
dnl GCC_ENABLE
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, permit a|b|c)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, SHELL-CODE-HANDLER)
dnl
dnl See docs/html/17_intro/configury.html#enable for documentation.
dnl
AC_DEFUN([GCC_ENABLE],[dnl
m4_define([_g_switch],[--enable-$1])dnl
m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl
AC_ARG_ENABLE($1,_g_help,
m4_bmatch([$5],
[^permit ],
[[
case "$enableval" in
m4_bpatsubst([$5],[permit ])) ;;
*) AC_MSG_ERROR(Unknown argument to enable/disable $1) ;;
dnl Idea for future: generate a URL pointing to
dnl "onlinedocs/configopts.html#whatever"
esac
]],
[^$],
[[
case "$enableval" in
yes|no) ;;
*) AC_MSG_ERROR(Argument to enable/disable $1 must be yes or no) ;;
esac
]],
[[$5]]),
[enable_]m4_bpatsubst([$1],-,_)[=][$2])
m4_undefine([_g_switch])dnl
m4_undefine([_g_help])dnl
])

21
config/tls.m4 Normal file
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@ -0,0 +1,21 @@
dnl Check whether the target supports TLS.
AC_DEFUN([GCC_CHECK_TLS], [
GCC_ENABLE(tls, yes, [Use thread-local storage])
AC_CACHE_CHECK([whether the target supports thread-local storage],
have_tls, [
AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
[dnl If the test case passed with dynamic linking, try again with
dnl static linking. This fails at least with some older Red Hat
dnl releases.
save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
[have_tls=yes], [have_tls=no], [])
LDFLAGS="$save_LDFLAGS"],
[have_tls=no],
[AC_COMPILE_IFELSE([__thread int foo;], [have_tls=yes], [have_tls=no])]
)])
if test "$enable_tls $have_tls" = "yes yes"; then
AC_DEFINE(HAVE_TLS, 1,
[Define to 1 if the target supports thread-local storage.])
fi])

7
libmudflap/ChangeLog
View File

@ -1,3 +1,10 @@
2005-09-23 Tom Tromey <tromey@redhat.com>
* aclocal.m4, configure: Rebuilt.
* configure.ac: Use GCC_CHECK_TLS.
* acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
to ../config.
2005-08-22 Jim Wilson <wilson@specifix.com>
* mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when

4
libmudflap/Makefile.in
View File

@ -50,7 +50,9 @@ DIST_COMMON = $(am__configure_deps) $(include_HEADERS) \
subdir = .
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/lead-dot.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../config/enable.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
$(top_srcdir)/../config/tls.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)

60
libmudflap/acinclude.m4
View File

@ -1,25 +1,3 @@
dnl Check whether the target supports TLS.
AC_DEFUN([LIBMUDFLAP_CHECK_TLS], [
LIBMUDFLAP_ENABLE(tls, yes, [Use thread-local storage])
AC_CACHE_CHECK([whether the target supports thread-local storage],
have_tls, [
AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
[dnl If the test case passed with dynamic linking, try again with
dnl static linking. This fails at least with some older Red Hat
dnl releases.
save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
[have_tls=yes], [have_tls=no], [])
LDFLAGS="$save_LDFLAGS"],
[have_tls=no],
[AC_COMPILE_IFELSE([__thread int foo;], [have_tls=yes], [have_tls=no])]
)])
if test "$enable_tls $have_tls" = "yes yes"; then
AC_DEFINE(HAVE_TLS, 1,
[Define to 1 if the target supports thread-local storage.])
fi])
dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libgfortran.
@ -32,41 +10,3 @@ AC_DEFUN([AM_PROG_LIBTOOL])
AC_DEFUN([AC_LIBTOOL_DLOPEN])
AC_DEFUN([AC_PROG_LD])
])
dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libstdc++-v3.
dnl
dnl LIBMUDFLAP_ENABLE
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, permit a|b|c)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, SHELL-CODE-HANDLER)
dnl
dnl See docs/html/17_intro/configury.html#enable for documentation.
dnl
m4_define([LIBMUDFLAP_ENABLE],[dnl
m4_define([_g_switch],[--enable-$1])dnl
m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl
AC_ARG_ENABLE($1,_g_help,
m4_bmatch([$5],
[^permit ],
[[
case "$enableval" in
m4_bpatsubst([$5],[permit ])) ;;
*) AC_MSG_ERROR(Unknown argument to enable/disable $1) ;;
dnl Idea for future: generate a URL pointing to
dnl "onlinedocs/configopts.html#whatever"
esac
]],
[^$],
[[
case "$enableval" in
yes|no) ;;
*) AC_MSG_ERROR(Argument to enable/disable $1 must be yes or no) ;;
esac
]],
[[$5]]),
[enable_]m4_bpatsubst([$1],-,_)[=][$2])
m4_undefine([_g_switch])dnl
m4_undefine([_g_help])dnl
])

2
libmudflap/aclocal.m4 vendored
View File

@ -915,5 +915,7 @@ AC_SUBST([am__untar])
]) # _AM_PROG_TAR
m4_include([../config/depstand.m4])
m4_include([../config/enable.m4])
m4_include([../config/lead-dot.m4])
m4_include([../config/tls.m4])
m4_include([acinclude.m4])

2
libmudflap/configure.ac
View File

@ -245,7 +245,7 @@ else
fi
# See if we support thread-local storage.
LIBMUDFLAP_CHECK_TLS
GCC_CHECK_TLS
AC_CONFIG_FILES([Makefile testsuite/Makefile testsuite/mfconfig.exp])
AC_OUTPUT

4
libmudflap/testsuite/Makefile.in
View File

@ -41,7 +41,9 @@ DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
$(srcdir)/mfconfig.exp.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/lead-dot.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../config/enable.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
$(top_srcdir)/../config/tls.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)