1# geda-windows.m4 -*-Autoconf-*- 2# serial 1 3 4dnl Check Windows-specific flags 5dnl Copyright (C) 2009 Cesar Strauss <cestrauss@gmail.com> 6dnl 7dnl This program is free software; you can redistribute it and/or modify 8dnl it under the terms of the GNU General Public License as published by 9dnl the Free Software Foundation; either version 2 of the License, or 10dnl (at your option) any later version. 11dnl 12dnl This program is distributed in the hope that it will be useful, 13dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 14dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15dnl GNU General Public License for more details. 16dnl 17dnl You should have received a copy of the GNU General Public License 18dnl along with this program; if not, write to the Free Software 19dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 21# The Windows platform has a native gcc port (MinGW) and a 22# POSIX compliant one (Cygwin). Both need specific flags to 23# build correctly. 24# 25# The rules are: 26# 27# On all Windows platforms, pass -no-undefined to libtool. 28# This allows shared libraries (DLLs) to be built. 29# 30# On MinGW, use the -mms-bitfields compiler flag. 31# This increases compatibility with the MSVC compiler. 32# 33# On MinGW, pass -mwindows when linking GUI-only applications. 34# This avoids opening a text console when running from a shortcut. 35 36AC_DEFUN([AX_WINDOWS_FLAGS], 37[ 38 AC_PREREQ([2.60])dnl 39 AC_REQUIRE([AX_HOST])dnl 40 41 if test "$PLATFORM_WIN32" = "yes"; then 42 WINDOWS_LIBTOOL_FLAGS=-no-undefined 43 fi 44 45 if test "$PLATFORM_WIN32_NATIVE" = "yes"; then 46 MINGW_GUI_LDFLAGS=-mwindows 47 MINGW_CFLAGS="-mms-bitfields" 48 fi 49 50 AC_SUBST(WINDOWS_LIBTOOL_FLAGS) 51 AC_SUBST(MINGW_GUI_LDFLAGS) 52 AC_SUBST(MINGW_CFLAGS) 53]) 54