Cleanup: Check for pthread in Libc

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b25685c0f0fd869dd4174c5bd8dfd83b8c3c629c..774094e0ba4b935f5f2b59a3dfb432434b62633a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -56,7 +56,7 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_MMAP
-AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf])
+AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf gettid])
 
 # Find arch type
 AS_CASE([$host_cpu],
@@ -165,6 +165,15 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
        compat_futex_test=1
 ])
 
+# Check for pthread
+AC_CHECK_LIB([pthread], [pthread_create],
+       [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)],
+       [AC_CHECK_LIB([c], [pthread_create],
+               [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, true)],
+               [AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
+       )]
+)
+
 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"])
 AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])