The following pull request was submitted through Github. It can be accessed and reviewed at: https://github.com/lxc/lxc/pull/2562
This e-mail was sent by the LXC bot, direct replies will not reach the author unless they happen to be subscribed to this list. === Description (from pull-request) === We line up with the Linux kernel and won't support any compiler under 4.6. Additionally, we also require at least gnu99 so this is due anyway. Signed-off-by: Christian Brauner <[email protected]>
From 9b5724cd5808f45fd77edd6189a10f199d8f0153 Mon Sep 17 00:00:00 2001 From: Christian Brauner <[email protected]> Date: Wed, 22 Aug 2018 00:04:19 +0200 Subject: [PATCH] autotools: check if compiler is new enough We line up with the Linux kernel and won't support any compiler under 4.6. Additionally, we also require at least gnu99 so this is due anyway. Signed-off-by: Christian Brauner <[email protected]> --- configure.ac | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/configure.ac b/configure.ac index 837d018e3..19d9ea220 100644 --- a/configure.ac +++ b/configure.ac @@ -45,6 +45,22 @@ AC_CANONICAL_HOST AM_PROG_CC_C_O AC_GNU_SOURCE +# Test if we have a new enough compiler. +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#define GCC_VERSION \ + (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) + +#define CLANG_VERSION \ + (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) + +#if GCC_VERSION < 40600 && CLANG_VERSION < 10000 +#error Sorry, your compiler is too old - please upgrade it +#endif + ]])], [valid_compiler=yes], [valid_compiler=no]) +if test "x$valid_compiler" = "xno"; then + AC_MSG_ERROR([Sorry, your compiler is too old - please upgrade it]) +fi + # libtool LT_INIT AC_SUBST([LIBTOOL_DEPS])
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