diff options
Diffstat (limited to 'Build/source/libs/libpng/configure')
| -rwxr-xr-x | Build/source/libs/libpng/configure | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/Build/source/libs/libpng/configure b/Build/source/libs/libpng/configure index 9fd7081b79a..976573ee59b 100755 --- a/Build/source/libs/libpng/configure +++ b/Build/source/libs/libpng/configure @@ -3838,39 +3838,42 @@ $as_echo_n "checking what warning flags to pass to the C compiler... " >&6; } if ${kpse_cv_warning_cflags+:} false; then : $as_echo_n "(cached) " >&6 else - if test "x$enable_compiler_warnings" = xno; then + if test "x$GCC" = xyes; then kpse_cv_warning_cflags= -elif test "x$GCC" = xyes; then +if test "x$enable_compiler_warnings" != xno; then kpse_cv_warning_cflags="-Wimplicit -Wreturn-type" -case `$CC -dumpversion` in #( + case `$CC -dumpversion` in #( 3.4.* | 4.*) : kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wdeclaration-after-statement" ;; #( *) : ;; esac -case `$CC -dumpversion` in #( + case `$CC -dumpversion` in #( 3.[234].* | 4.*) : kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wno-unknown-pragmas" ;; #( *) : ;; esac -if test "x$enable_compiler_warnings" != xmin; then - kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags" - kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations" - if test "x$enable_compiler_warnings" != xyes; then - kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith" - kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wcast-qual -Wcast-align -Wwrite-strings" - case `$CC -dumpversion` in #( + if test "x$enable_compiler_warnings" != xmin; then + kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags" + kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations" + if test "x$enable_compiler_warnings" != xyes; then + kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith" + kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wcast-qual -Wcast-align -Wwrite-strings" + case `$CC -dumpversion` in #( 3.4.* | 4.*) : kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wold-style-definition" ;; #( *) : ;; esac - if test "x$enable_compiler_warnings" != xmax; then - kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wshadow" + if test "x$enable_compiler_warnings" != xmax; then + kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wshadow" + fi fi fi fi +elif test "x$enable_compiler_warnings" = xno; then + kpse_cv_warning_cflags= else kpse_cv_warning_cflags= # FIXME: warning flags for non-GNU C compilers fi |