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-rw-r--r--gnulib-m4/asm-underscore.m47
1 files changed, 4 insertions, 3 deletions
diff --git a/gnulib-m4/asm-underscore.m4 b/gnulib-m4/asm-underscore.m4
index 07270c92..58a5299c 100644
--- a/gnulib-m4/asm-underscore.m4
+++ b/gnulib-m4/asm-underscore.m4
@@ -1,5 +1,5 @@
-# asm-underscore.m4 serial 3
-dnl Copyright (C) 2010-2017 Free Software Foundation, Inc.
+# asm-underscore.m4 serial 4
+dnl Copyright (C) 2010-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -14,6 +14,7 @@ dnl From Bruno Haible. Based on as-underscore.m4 in GNU clisp.
AC_DEFUN([gl_ASM_SYMBOL_PREFIX],
[
+ AC_REQUIRE([AC_PROG_EGREP])
dnl We don't use GCC's __USER_LABEL_PREFIX__ here, because
dnl 1. It works only for GCC.
dnl 2. It is incorrectly defined on some platforms, in some GCC versions.
@@ -29,7 +30,7 @@ int foo(void) { return 0; }
EOF
# Look for the assembly language name in the .s file.
AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1
- if LC_ALL=C grep -E '(^|[[^a-zA-Z0-9_]])_foo([[^a-zA-Z0-9_]]|$)' conftest.$gl_asmext >/dev/null; then
+ if LC_ALL=C $EGREP '(^|[[^a-zA-Z0-9_]])_foo([[^a-zA-Z0-9_]]|$)' conftest.$gl_asmext >/dev/null; then
gl_cv_prog_as_underscore=yes
else
gl_cv_prog_as_underscore=no