configure.in: Check for alloca.h (for regex.c and putenv.c).

[thirdparty/gcc.git] / libiberty / configure.in

diff --git a/libiberty/configure.in b/libiberty/configure.in
index 7fc4856e6068a2c9e2fde3ab9feee506a78fc44d..d34f8369bf4926a78501034837a7497df2832a8c 100644 (file)
--- a/libiberty/configure.in
+++ b/libiberty/configure.in
@@ -120,7 +120,7 @@ AC_SUBST_FILE(host_makefile_frag)
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h)
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME