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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:43:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:43:18 +0000
commitcc5717cdf86886c3dbaea40dfc8dc9e501b1cf1f (patch)
tree2dae3914f7c48ebc5d0e27e9d3bdbaea8210a30f /m4/am-enable-threads.m4
parentInitial commit. (diff)
downloadopentracing-c-wrapper-upstream.tar.xz
opentracing-c-wrapper-upstream.zip
Adding upstream version 1.1.3.upstream/1.1.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/am-enable-threads.m4')
-rw-r--r--m4/am-enable-threads.m444
1 files changed, 44 insertions, 0 deletions
diff --git a/m4/am-enable-threads.m4 b/m4/am-enable-threads.m4
new file mode 100644
index 0000000..629325f
--- /dev/null
+++ b/m4/am-enable-threads.m4
@@ -0,0 +1,44 @@
+dnl am-enable-threads.m4 by Miroslav Zagorac <mzagorac@haproxy.com>
+dnl
+AC_DEFUN([AX_ENABLE_THREADS], [
+ AC_ARG_ENABLE([threads],
+ [AS_HELP_STRING([--enable-threads], [enable threads @<:@default=yes@:>@])],
+ [enable_threads="${enableval}"],
+ [enable_threads=yes]
+ )
+
+ if test "${enable_threads}" != "no"; then
+ HAVE_THREADS=
+ THREADS_CFLAGS=
+ THREADS_CPPFLAGS=
+ THREADS_LDFLAGS=
+ THREADS_LIBS=
+
+ AX_VARIABLES_STORE
+
+ LDFLAGS="${LDFLAGS} ${THREADS_LDFLAGS}"
+ CPPFLAGS="${CPPFLAGS} ${THREADS_CPPFLAGS}"
+
+ AC_CHECK_LIB([pthread], [pthread_create], [], [AC_MSG_ERROR([THREADS library not found])])
+ AC_CHECK_HEADER([pthread.h], [], [AC_MSG_ERROR([THREADS library headers not found])])
+
+ HAVE_THREADS=yes
+ THREADS_LIBS="-lpthread"
+
+ AC_DEFINE([USE_THREADS], [1], [Define to 1 for multi-thread support.])
+ AC_DEFINE([_REENTRANT], [1], [Define to 1 for multi-thread support.])
+
+ AX_VARIABLES_RESTORE
+
+ AC_MSG_NOTICE([THREADS environment variables:])
+ AC_MSG_NOTICE([ THREADS_CFLAGS=${THREADS_CFLAGS}])
+ AC_MSG_NOTICE([ THREADS_CPPFLAGS=${THREADS_CPPFLAGS}])
+ AC_MSG_NOTICE([ THREADS_LDFLAGS=${THREADS_LDFLAGS}])
+ AC_MSG_NOTICE([ THREADS_LIBS=${THREADS_LIBS}])
+
+ AC_SUBST([THREADS_CFLAGS])
+ AC_SUBST([THREADS_CPPFLAGS])
+ AC_SUBST([THREADS_LDFLAGS])
+ AC_SUBST([THREADS_LIBS])
+ fi
+])