build: Set PTHREAD_LIBS for pkgconfig files if empty

2012-09-27 15:49:52 -07:00
parent 00d80b3a6f
commit dd4fde8f67
1 changed files with 4 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@@ -509,6 +509,10 @@ AC_CHECK_DECLS([signbit],[],

 dnl Check for pthreads
 AX_PTHREAD
+dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
+dnl to -pthread, which causes problems if we need -lpthread to appear in
+dnl pkgconfig files.
+test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"

 dnl SELinux awareness.
 AC_ARG_ENABLE([selinux],