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Diffstat (limited to 'config/always-no-unused-but-set-variable.m4')
| -rw-r--r-- | config/always-no-unused-but-set-variable.m4 | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/config/always-no-unused-but-set-variable.m4 b/config/always-no-unused-but-set-variable.m4 deleted file mode 100644 index 863c90a16..000000000 --- a/config/always-no-unused-but-set-variable.m4 +++ /dev/null @@ -1,27 +0,0 @@ -dnl # -dnl # Check if gcc supports -Wno-unused-but-set-variable option. -dnl # -dnl # We actually invoke gcc with the -Wunused-but-set-variable option -dnl # and infer the 'no-' version does or doesn't exist based upon -dnl # the results. This is required because when checking any of -dnl # no- prefixed options gcc always returns success. -dnl # -AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE], [ - AC_MSG_CHECKING([for -Wno-unused-but-set-variable support]) - - saved_flags="$CFLAGS" - CFLAGS="$CFLAGS -Wunused-but-set-variable" - - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], - [ - NO_UNUSED_BUT_SET_VARIABLE=-Wno-unused-but-set-variable - AC_MSG_RESULT([yes]) - ], - [ - NO_UNUSED_BUT_SET_VARIABLE= - AC_MSG_RESULT([no]) - ]) - - CFLAGS="$saved_flags" - AC_SUBST([NO_UNUSED_BUT_SET_VARIABLE]) -]) |