diff options
| -rw-r--r-- | ares/m4/cares-compilers.m4 | 14 | ||||
| -rw-r--r-- | m4/curl-compilers.m4 | 14 |
2 files changed, 26 insertions, 2 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4 index 7a1cbd79d..09fdac879 100644 --- a/ares/m4/cares-compilers.m4 +++ b/ares/m4/cares-compilers.m4 @@ -742,8 +742,14 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [ GNUC) # if test "$want_warnings" = "yes"; then + dnl Do not enable -pedantic when cross-compiling with a gcc older + dnl than 3.0, to avoid warnings from third party system headers. + if test "x$cross_compiling" != "xyes" || + test "$compiler_num" -ge "300"; then + tmp_CFLAGS="$tmp_CFLAGS -pedantic" + fi dnl Set of options we believe *ALL* gcc versions support: - tmp_CFLAGS="$tmp_CFLAGS -pedantic -Wall -W -Winline -Wnested-externs" + tmp_CFLAGS="$tmp_CFLAGS -Wall -W -Winline -Wnested-externs" tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes -Wpointer-arith" tmp_CFLAGS="$tmp_CFLAGS -Wwrite-strings" dnl -Wcast-align is a bit too annoying on all gcc versions ;-) @@ -779,6 +785,12 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wdeclaration-after-statement" fi fi + # + dnl Do not issue warnings for code in system include paths. + if test "$compiler_num" -ge "300"; then + dnl gcc 3.0 and later + tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" + fi ;; # HPUXC) diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index dac93b985..d25cba65a 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -748,8 +748,14 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ GNUC) # if test "$want_warnings" = "yes"; then + dnl Do not enable -pedantic when cross-compiling with a gcc older + dnl than 3.0, to avoid warnings from third party system headers. + if test "x$cross_compiling" != "xyes" || + test "$compiler_num" -ge "300"; then + tmp_CFLAGS="$tmp_CFLAGS -pedantic" + fi dnl Set of options we believe *ALL* gcc versions support: - tmp_CFLAGS="$tmp_CFLAGS -pedantic -Wall -W -Winline -Wnested-externs" + tmp_CFLAGS="$tmp_CFLAGS -Wall -W -Winline -Wnested-externs" tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes -Wpointer-arith" tmp_CFLAGS="$tmp_CFLAGS -Wwrite-strings" dnl -Wcast-align is a bit too annoying on all gcc versions ;-) @@ -785,6 +791,12 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wdeclaration-after-statement" fi fi + # + dnl Do not issue warnings for code in system include paths. + if test "$compiler_num" -ge "300"; then + dnl gcc 3.0 and later + tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" + fi ;; # HPUXC) |