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Fixed building with cygwin

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Note that building with cygwin gcc results in a DLL that depends on cygwin1.dll
This commit is contained in:
Sam Lantinga 2013-07-21 23:01:01 -07:00
parent 588e67304c
commit ef291a943f
4 changed files with 116 additions and 15 deletions
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86
configure vendored
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@ -15802,15 +15802,45 @@ elif test -d .hg; then
separate directory so you don't clobber SDL_config.h, SDL_revision.h
" "$LINENO" 5
fi
BASE_CFLAGS=""
BASE_LDFLAGS=""
case "$host" in
*-*-cygwin*)
# We build SDL on cygwin without the UNIX emulation layer
BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
BASE_LDFLAGS="-mno-cygwin"
;;
*)
BASE_CFLAGS=""
BASE_LDFLAGS=""
save_CFLAGS="$CFLAGS"
have_no_cygwin=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC -mno-cygwin option" >&5
$as_echo_n "checking for GCC -mno-cygwin option... " >&6; }
CFLAGS="$save_CFLAGS -mno-cygwin"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
have_no_cygwin=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_no_cygwin" >&5
$as_echo "$have_no_cygwin" >&6; }
CFLAGS="$save_CFLAGS"
if test x$have_no_cygwin = xyes; then
BASE_CFLAGS="-mno-cygwin"
BASE_LDFLAGS="-mno-cygwin"
fi
BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
;;
esac
# Uncomment the following line if you want to force SDL and applications
@ -22428,7 +22458,49 @@ $as_echo "#define SDL_LOADSO_WINDOWS 1" >>confdefs.h
VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
SDL_LIBS="-lmingw32 -lSDL2main $SDL_LIBS -mwindows"
SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
# Check to see if this is a mingw or cygwin build
have_mingw32=
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lmingw32" >&5
$as_echo_n "checking for main in -lmingw32... " >&6; }
if ${ac_cv_lib_mingw32_main+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lmingw32 $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
return main ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_mingw32_main=yes
else
ac_cv_lib_mingw32_main=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mingw32_main" >&5
$as_echo "$ac_cv_lib_mingw32_main" >&6; }
if test "x$ac_cv_lib_mingw32_main" = xyes; then :
have_mingw32=yes
fi
if test x$have_mingw32 = xyes; then
SDL_LIBS="-lmingw32 $SDL_LIBS"
else
SDL_LIBS="-lcygwin $SDL_LIBS"
fi
;;
*-*-beos* | *-*-haiku*)
ARCH=beos