diff options
| -rw-r--r-- | ares/m4/cares-compilers.m4 | 16 | ||||
| -rw-r--r-- | m4/curl-compilers.m4 | 16 | 
2 files changed, 28 insertions, 4 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4 index 09fdac879..d25c66491 100644 --- a/ares/m4/cares-compilers.m4 +++ b/ares/m4/cares-compilers.m4 @@ -750,9 +750,14 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [            fi            dnl Set of options we believe *ALL* gcc versions support:            tmp_CFLAGS="$tmp_CFLAGS -Wall -W -Winline -Wnested-externs" -          tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes -Wpointer-arith" -          tmp_CFLAGS="$tmp_CFLAGS -Wwrite-strings" +          tmp_CFLAGS="$tmp_CFLAGS -Wpointer-arith -Wwrite-strings"            dnl -Wcast-align is a bit too annoying on all gcc versions ;-) +          dnl Do not enable some warnings, when cross-compiling with a gcc +          dnl older than 3.0, triggered on third party system headers. +          if test "x$cross_compiling" != "xyes" || +            test "$compiler_num" -ge "300"; then +            tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes" +          fi            if test "$compiler_num" -ge "207"; then              dnl gcc 2.7 or later              tmp_CFLAGS="$tmp_CFLAGS -Wmissing-declarations" @@ -790,6 +795,13 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [          if test "$compiler_num" -ge "300"; then            dnl gcc 3.0 and later            tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" +        else +          dnl Disable some warnings, when cross-compiling with a gcc +          dnl older than 3.0, triggered on third party system headers. +          if test "x$cross_compiling" = "xyes"; then +            tmp_CFLAGS="$tmp_CFLAGS -Wno-missing-prototypes" +            tmp_CFLAGS="$tmp_CFLAGS -Wno-unused -Wno-shadow" +          fi          fi          ;;          # diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index d25cba65a..d7ab28a74 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -756,9 +756,14 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [            fi            dnl Set of options we believe *ALL* gcc versions support:            tmp_CFLAGS="$tmp_CFLAGS -Wall -W -Winline -Wnested-externs" -          tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes -Wpointer-arith" -          tmp_CFLAGS="$tmp_CFLAGS -Wwrite-strings" +          tmp_CFLAGS="$tmp_CFLAGS -Wpointer-arith -Wwrite-strings"            dnl -Wcast-align is a bit too annoying on all gcc versions ;-) +          dnl Do not enable some warnings, when cross-compiling with a gcc +          dnl older than 3.0, triggered on third party system headers. +          if test "x$cross_compiling" != "xyes" || +            test "$compiler_num" -ge "300"; then +            tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes" +          fi            if test "$compiler_num" -ge "207"; then              dnl gcc 2.7 or later              tmp_CFLAGS="$tmp_CFLAGS -Wmissing-declarations" @@ -796,6 +801,13 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [          if test "$compiler_num" -ge "300"; then            dnl gcc 3.0 and later            tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" +        else +          dnl Disable some warnings, when cross-compiling with a gcc +          dnl older than 3.0, triggered on third party system headers. +          if test "x$cross_compiling" = "xyes"; then +            tmp_CFLAGS="$tmp_CFLAGS -Wno-missing-prototypes" +            tmp_CFLAGS="$tmp_CFLAGS -Wno-unused -Wno-shadow" +          fi          fi          ;;          #  | 
