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authorDario Binacchi <dario.binacchi@amarulasolutions.com>2023-05-24 13:03:49 +0200
committerMichal Kubecek <mkubecek@suse.cz>2023-05-31 11:23:32 +0200
commit31b7b5ec7edd0027e7121ddb578537d60c8f4bc6 (patch)
treec8335fb803a93b85aa54a7226e28e0feaf4841ad
parent40c30c9e67e68d85e9b4e5a1d1b134cacefc9c99 (diff)
downloadethtool-31b7b5ec7edd0027e7121ddb578537d60c8f4bc6.tar.gz
Require a compiler with support for C11 features
Just like the kernel, which has been using -std=gnu11 for about a year, we also require a C11 compiler for ethtool. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
-rw-r--r--configure.ac9
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c1e0012..5735e24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,15 @@ AC_PROG_GCC_TRADITIONAL
AM_PROG_CC_C_O
PKG_PROG_PKG_CONFIG
+AC_DEFUN([AX_CHECK_STDC],
+ [AX_CHECK_COMPILE_FLAG([-std=gnu11],
+ [AX_APPEND_FLAG([-std=gnu11])],
+ [AX_CHECK_COMPILE_FLAG([-std=c11],
+ [AX_APPEND_FLAG([-std=c11])],
+ [AC_MSG_ERROR([$PACKAGE requires a C11 compiler])])
+ ])
+ ])
+
dnl Checks for libraries.
dnl Checks for header files.