port: fix pthread autoconf detection to support FreeBSD

[deliverable/lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2e47441583ae72d6ee2a26179c03f8e0aacd261a..40544ec4ebf77ff93597ffb4463d13dcdf635131 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -132,6 +132,8 @@ AS_IF([test "x$ax_cv___attribute__" = "xyes"],
        [:],
        [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
 
+AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
+
 # Checks for library functions.
 AC_FUNC_CHOWN
 AC_FUNC_FORK
@@ -161,6 +163,9 @@ AC_CHECK_FUNCS([ \
        sysconf \
 ])
 
+# Check for pthread_setname_np and its signature
+LTTNG_PTHREAD_SETNAME_NP
+
 # AC_FUNC_MALLOC causes problems when cross-compiling.
 #AC_FUNC_MALLOC
 
@@ -228,13 +233,6 @@ AC_CHECK_LIB([$libdl_name], [dlmopen],
        [AC_DEFINE([HAVE_DLMOPEN], [1])]
 )
 
-AC_CHECK_LIB([pthread], [pthread_create])
-AC_CHECK_LIB([pthread], [pthread_setname_np],
-       AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1], [Define to 1 if pthread_setname_np is available.]),
-       AC_CHECK_LIB([pthread], [pthread_set_name_np],
-               AC_DEFINE([HAVE_PTHREAD_SET_NAME_NP], [1], [Define to 1 if pthread_set_name_np is available.]),
-               AC_MSG_RESULT([pthread setname/set_name not found.])))
-
 # Check for dlfcn.h
 AC_CHECK_HEADER([dlfcn.h])
 AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"], [
@@ -519,7 +517,7 @@ AC_DEFUN([_AC_DEFINE_AND_SUBST], [
 
 _AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
 
-AM_CFLAGS="-Wall"
+AM_CFLAGS="-Wall $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 AC_SUBST(JNI_CPPFLAGS)