diff options
Diffstat (limited to 'm4/curl-compilers.m4')
| -rw-r--r-- | m4/curl-compilers.m4 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index 95afae426..b90e44d98 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -1012,6 +1012,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ dnl Only gcc 3.4 or later if test "$compiler_num" -ge "304"; then tmp_CFLAGS="$tmp_CFLAGS -Wdeclaration-after-statement" + tmp_CFLAGS="$tmp_CFLAGS -Wold-style-definition" fi # dnl Only gcc 4.0 or later @@ -1030,6 +1031,8 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wmissing-parameter-type -Wempty-body" tmp_CFLAGS="$tmp_CFLAGS -Wclobbered -Wignored-qualifiers" tmp_CFLAGS="$tmp_CFLAGS -Wconversion -Wno-sign-conversion -Wvla" + dnl required for -Warray-bounds, included in -Wall + tmp_CFLAGS="$tmp_CFLAGS -ftree-vrp" fi # dnl Only gcc 4.5 or later @@ -1045,12 +1048,23 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wdouble-promotion" fi # + dnl only gcc 4.8 or later + if test "$compiler_num" -ge "408"; then + tmp_CFLAGS="$tmp_CFLAGS -Wformat=2" + fi + # + dnl Only gcc 5 or later + if test "$compiler_num" -ge "500"; then + tmp_CFLAGS="$tmp_CFLAGS -Warray-bounds=2" + fi + # dnl Only gcc 6 or later if test "$compiler_num" -ge "600"; then tmp_CFLAGS="$tmp_CFLAGS -Wshift-negative-value" tmp_CFLAGS="$tmp_CFLAGS -Wshift-overflow=2" - tmp_CFLAGS="$tmp_CFLAGS -Wnull-dereference" + tmp_CFLAGS="$tmp_CFLAGS -Wnull-dereference -fdelete-null-pointer-checks" tmp_CFLAGS="$tmp_CFLAGS -Wduplicated-cond" + tmp_CFLAGS="$tmp_CFLAGS -Wunused-const-variable" fi # dnl Only gcc 7 or later |