PR libgomp/25877

[pf3gnuchains/gcc-fork.git] / libgomp / configure.ac

diff --git a/libgomp/configure.ac b/libgomp/configure.ac
index 854514a..90e115b 100644 (file)
--- a/libgomp/configure.ac
+++ b/libgomp/configure.ac
@@ -136,7 +136,7 @@ AC_SUBST(libtool_VERSION)
 # Check header files.
 AC_STDC_HEADERS
 AC_HEADER_TIME
-AC_CHECK_HEADERS(unistd.h semaphore.h sys/time.h)
+AC_CHECK_HEADERS(alloca.h unistd.h semaphore.h sys/time.h)
 AC_CHECK_HEADER([pthread.h],[],
   [AC_MSG_ERROR([Pthreads are required to build libgomp])])