David Sterba 18e12e95ab btrfs-progs: build: fix detection of std=gnu11 build ... Commit 0d5767e664 ("btrfs-progs: build: use -std=gnu11") was supposed to set C level to gnu11 to match kernel but it was done only in the C=1 (checker) branch. The std used was still gnu90 that can be verified by running with V=1. Set the std option to gnu11 unconditionally and delete the m4 macros that were detecting support on older gcc (4.5). The reference build on lowest supported distro (Centos 7) compiles fine. Signed-off-by: David Sterba <dsterba@suse.com>		2023-02-28 19:49:30 +01:00
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ax_check_compile_flag.m4	…
ax_check_define.m4	…
ax_gcc_builtin.m4	btrfs-progs: build: add m4 macros for builtin detection	2022-08-16 15:18:12 +02:00