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Try to build with GCC's -Wdeclaration-after-statement.

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This will help catch things that'll cause issues on C89 compilers before we
send them on to fail on Buildbot.
This commit is contained in:
Ryan C. Gordon
2016-01-04 22:58:38 -05:00
parent 15bc7aea64
commit 1373e8909a
3 changed files with 92 additions and 12 deletions
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45
configure vendored
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@@ -18650,6 +18650,43 @@ $as_echo "$have_gcc_preferred_stack_boundary" >&6; }
fi
}
CheckDeclarationAfterStatement()
{
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC -Wdeclaration-after-statement option" >&5
$as_echo_n "checking for GCC -Wdeclaration-after-statement option... " >&6; }
have_gcc_declaration_after_statement=no
save_CFLAGS="$CFLAGS"
CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int x = 0;
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
have_gcc_declaration_after_statement=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_declaration_after_statement" >&5
$as_echo "$have_gcc_declaration_after_statement" >&6; }
CFLAGS="$save_CFLAGS"
if test x$have_gcc_declaration_after_statement = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
fi
}
CheckWarnAll()
{
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC -Wall option" >&5
@@ -22894,6 +22931,8 @@ fi
}
CheckWarnAll
case "$host" in
*-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
case "$host" in
@@ -22962,6 +23001,7 @@ case "$host" in
*-*-minix*) ARCH=minix ;;
esac
CheckVisibilityHidden
CheckDeclarationAfterStatement
CheckDummyVideo
CheckDiskAudio
CheckDummyAudio
@@ -23392,6 +23432,7 @@ $as_echo "#define SDL_FILESYSTEM_HAIKU 1" >>confdefs.h
ARCH=ios
CheckVisibilityHidden
CheckDeclarationAfterStatement
CheckDummyVideo
CheckDiskAudio
CheckDummyAudio
@@ -23461,6 +23502,7 @@ $as_echo "#define SDL_FILESYSTEM_HAIKU 1" >>confdefs.h
EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
CheckVisibilityHidden
CheckDeclarationAfterStatement
CheckDummyVideo
CheckDiskAudio
CheckDummyAudio
@@ -23581,6 +23623,7 @@ $as_echo "#define SDL_AUDIO_DRIVER_EMSCRIPTEN 1" >>confdefs.h
fi
CheckVisibilityHidden
CheckDeclarationAfterStatement
CheckDummyVideo
CheckDiskAudio
CheckDummyAudio
@@ -23630,8 +23673,6 @@ $as_echo "#define SDL_TIMER_UNIX 1" >>confdefs.h
;;
esac
CheckWarnAll
# Verify that we have all the platform specific files we need
if test x$have_joystick != xyes; then