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| author | Aleksander Morgado <aleksander@lanedo.com> | 2012-08-24 11:37:38 +0200 |
|---|---|---|
| committer | Aleksander Morgado <aleksander@lanedo.com> | 2012-08-24 11:37:38 +0200 |
| commit | d74336e96dc24b578324f45d57e108d686a95df5 (patch) | |
| tree | c7375341fbd2965d11d986eae3caedd1c5929805 | |
| parent | 20cd805a2a9a1f637108b9b132d3ab007bd43d5f (diff) | |
build: warn about unused but set variables
| -rw-r--r-- | m4/compiler_warnings.m4 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/m4/compiler_warnings.m4 b/m4/compiler_warnings.m4 index 0e36494a..519647a4 100644 --- a/m4/compiler_warnings.m4 +++ b/m4/compiler_warnings.m4 @@ -10,7 +10,8 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then for option in -Wmissing-declarations -Wmissing-prototypes \ -Wdeclaration-after-statement -Wstrict-prototypes \ -Wno-unused-parameter -Wno-sign-compare \ - -fno-strict-aliasing -Wno-deprecated-declarations; do + -fno-strict-aliasing -Wno-deprecated-declarations \ + -Wno-unused-but-set-variable; do SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $option" AC_MSG_CHECKING([whether gcc understands $option]) |