WIP recipe for Open Watcom.

Build fails after the bootstrapping stage, as executables compiled with
Watcom tools crash the runtime loader.

sys-devel/openwatcom/openwatcom-1.9.0.recipe

@@ -0,0 +1,50 @@
+SUMMARY="C/C++ compiler targetting DOS and Win16/32 machines"
+DESCRIPTION="
+Open Watcom is a project of the open source community to maintain and enhance \
+the Watcom C, C++, and Fortran cross compilers and tools. An Open Source \
+license from Sybase allows free commercial and non-commercial use of Open\
+Watcom."
+HOMEPAGE="http://openwatcom.org"
+LICENSE="Open Watcom Public Licence v1.0"
+COPYRIGHT="Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved."
+REVISION="1"
+
+ARCHITECTURES=""
+if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
+	# x86_gcc2 is fine as primary target architecture as long as we're building
+	# for a different secondary architecture.
+	ARCHITECTURES="$ARCHITECTURES !x86_gcc2"
+fi
+SECONDARY_ARCHITECTURES="!x86"
+
+SRC_URI="ftp://ftp.openwatcom.org/source/open_watcom_$portVersion-src.tar.bz2"
+CHECKSUM_SHA256="6d303327988ee2dda60cfabebf3f45a9758aee4da117d41cf3153fccb7e5e4bf"
+SOURCE_DIR="OW19"
+PATCHES="openwatcom-$portVersion.patchset"
+
+PROVIDES="
+	openwatcom$secondaryArchSuffix = $portVersion
+"
+
+BUILD_PREREQUIRES="
+	haiku${secondaryArchSuffix}_devel >= $haikuVersion
+	cmd:awk
+	cmd:cc$secondaryArchSuffix
+	cmd:make
+	cmd:which
+"
+
+BUILD()
+{
+	./build.sh
+}
+
+INSTALL()
+{
+	false
+}
+
+TEST()
+{
+	false
+}