Commit 3ad956e7 authored by Yang Tse's avatar Yang Tse
Browse files

Adjust GCC warnings: 

  Disable following warnings when cross-compiling with a gcc older
  than 3.0, to avoid warnings from third party system headers:

    -Wmissing-prototypes
    -Wunused
    -Wshadow
parent d6114165

ares/m4/cares-compilers.m4

+14 −2
Original line number Diff line number Diff line
@@ -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

        ;;

        #

m4/curl-compilers.m4

+14 −2
Original line number Diff line number Diff line
@@ -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

        ;;

        #