diff options
author | Timm Bäder <tbaeder@redhat.com> | 2021-02-17 10:27:07 +0100 |
---|---|---|
committer | Mark Wielaard <mark@klomp.org> | 2021-03-06 03:05:51 +0100 |
commit | 00d92d0b6a495a81e4c585be7a41f10ef4b6d47c (patch) | |
tree | 872892409bfc43c24a4c8f8792affbe67599d4b0 /config | |
parent | f82f46fc6880509a539ed8194e9616d818eae88d (diff) | |
download | elfutils-00d92d0b6a495a81e4c585be7a41f10ef4b6d47c.tar.gz |
build: Check for -Wtrampolines support
Clang does not support -Wtrampolines, so check if the compiler supports
it before using it.
Signed-off-by: Timm Bäder <tbaeder@redhat.com>
Diffstat (limited to 'config')
-rw-r--r-- | config/ChangeLog | 6 | ||||
-rw-r--r-- | config/eu.am | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index e877bdda..cd8ff74c 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,9 @@ +2021-02-17 Timm Bäder <tbaeder@redhat.com> + + * eu.am (TRAMPOLINES_WARNING): New variable. + (AM_CFLAGS): Use TRAMPOLINES_WARNING. + (AM_CXXFLAGS): Likewise. + 2021-02-12 Mark Wielaard <mark@klomp.org> * elfutils.spec.in: Escape %%check in comment. diff --git a/config/eu.am b/config/eu.am index e109ffd3..02512570 100644 --- a/config/eu.am +++ b/config/eu.am @@ -73,8 +73,14 @@ else IMPLICIT_FALLTHROUGH_WARNING= endif +if HAVE_TRAMPOLINES_WARNING +TRAMPOLINES_WARNING=-Wtrampolines +else +TRAMPOLINES_WARNING= +endif + AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ - -Wold-style-definition -Wstrict-prototypes -Wtrampolines \ + -Wold-style-definition -Wstrict-prototypes $(TRAMPOLINES_WARNING) \ $(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \ $(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \ $(if $($(*F)_no_Werror),,-Werror) \ @@ -84,7 +90,7 @@ AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ $($(*F)_CFLAGS) AM_CXXFLAGS = -std=c++11 -Wall -Wshadow \ - -Wtrampolines \ + $(TRAMPOLINES_WARNING) \ $(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \ $(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \ $(if $($(*F)_no_Werror),,-Werror) \ |