made the GNU make NMAKE switch as we go to Windows now, also fixed small bugs in the makefiles

1 files changed, 173 insertions, 0 deletions

diff --git a/makefiles/gmake/guess_env b/makefiles/gmake/guess_env
new file mode 100755
index 0000000..d0a31ae
--- /dev/null
+++ b/makefiles/gmake/guess_env
@@ -0,0 +1,173 @@
+#!/bin/sh
+
+# operating system and major, minor version, more should not be necessary
+
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`
+UNAME_RELEASE=`(uname -r) 2>/dev/null`
+UNAME_VERSION=`(uname -v) 2>/dev/null`
+UNAME_MACHINE=`(uname -m) 2>/dev/null`
+
+case "$UNAME_SYSTEM.$UNAME_RELEASE" in
+	Linux*)		PLATFORM=LINUX
+			OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2`
+			;;
+
+	FreeBSD*)	PLATFORM=FREEBSD
+			OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
+			;;
+			
+	OpenBSD*)	PLATFORM=OPENBSD
+			OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
+			;;
+
+	NetBSD*)	PLATFORM=NETBSD
+			OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
+			;;
+
+	SunOS*)		PLATFORM=SUNOS
+			OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2`
+			;;
+			
+	CYGWIN_NT*)	PLATFORM=CYGWIN
+			_tmp=`echo $UNAME_SYSTEM | cut -d - -f 2`
+			OS_MAJOR_VERSION=`echo $_tmp | cut -d . -f 1`
+			OS_MINOR_VERSION=`echo $_tmp | cut -d . -f 2`
+			;;
+	
+	*)
+			PLATFORM=UNKNOWN
+			echo "Unknown platform '$UNAME_SYSTEM $UNAME_RELEASE'"
+			exit 1
+esac
+
+# the architecture
+
+case "$UNAME_MACHINE" in
+	i*86*)		ARCH=x86
+			;;
+	
+	sun4u)		ARCH=sun4u
+			;;
+			
+	*)		ARCH=UNKNOWN
+			echo "Unknown architecture '$UNAME_MACHINE'"
+			exit 1
+			
+esac
+
+# the compiler and version
+
+# what compiler do we have (we can't relly on it's name as it may be a cc link to the binary!)
+CC=$2
+( $CC --version | grep GCC ) 2>/dev/null 1>/dev/null
+if test $? = 0; then
+	COMPILER='gcc'
+else
+	( $CC -v | grep tcc ) 2>/dev/null 1>/dev/null
+	if test $? = 0; then
+		COMPILER='tcc'
+	else
+		( $CC -V 2>&1 | grep l_cproc_p ) >/dev/null
+		if test $? = 0; then
+			COMPILER='icc'
+		else
+			( $CC -xhelp=readme | head -n 1 | grep 'Sun Studio' ) >/dev/null
+			if test $? = 0; then
+				COMPILER='spro'
+			else
+				COMPILER='unknown'
+			fi
+		fi
+	fi
+fi
+
+# version of gcc (GNU C compiler)
+
+if test $COMPILER = "gcc"; then
+	GCC_VERSION=`gcc -dumpversion`
+	GCC_MAJOR_VERSION=`echo $GCC_VERSION | cut -d . -f 1`
+	GCC_MINOR_VERSION=`echo $GCC_VERSION | cut -d . -f 2`
+fi
+
+# version of tcc (Tiny C compiler)
+
+if test $COMPILER = "tcc"; then
+	TCC_VERSION=`tcc -v | cut -d ' ' -f 3`
+	TCC_MAJOR_VERSION=`echo $ICC_VERSION | cut -d . -f 1`
+	TCC_MINOR_VERSION=`echo $ICC_VERSION | cut -d . -f 2`
+fi
+
+# version of icc (Intel C compiler)
+
+if test $COMPILER = "icc"; then
+	ICC_VERSION=`icc -dumpversion`
+	ICC_MAJOR_VERSION=`echo $ICC_VERSION | cut -d . -f 1`
+	ICC_MINOR_VERSION=`echo $ICC_VERSION | cut -d . -f 2`
+fi
+
+# version of spro (Sun Pro compiler, Sun Studio)
+
+if test $COMPILER = 'spro'; then
+	SPRO_VERSION=`$CC -xhelp=readme | head -n 1 | cut -d ' ' -f 3`
+	SPRO_MAJOR_VERSION=`echo $SPRO_VERSION | cut -d : -f 1`
+fi
+
+case "$1" in
+	--platform)		echo $PLATFORM
+				;;
+	
+	--os-major-version)	echo $OS_MAJOR_VERSION
+				;;
+	
+	--os-minor-version)	echo $OS_MINOR_VERSION
+				;;
+	
+	--arch)			echo $ARCH
+				;;
+
+	--compiler)		echo $COMPILER
+				;;
+	
+	--gcc-major-version)	echo $GCC_MAJOR_VERSION
+				;;
+	
+	--gcc-minor-version)	echo $GCC_MINOR_VERSION
+				;;
+
+	--tcc-major-version)	echo $TCC_MAJOR_VERSION
+				;;
+	
+	--tcc-minor-version)	echo $TCC_MINOR_VERSION
+				;;
+	
+	--icc-major-version)	echo $ICC_MAJOR_VERSION
+				;;
+	
+	--icc-minor-version)	echo $ICC_MINOR_VERSION
+				;;
+	
+	--spro-major-version)	echo $SPRO_MAJOR_VERSION
+				;;
+	
+	--all)
+				cat <<EOF
+ARCH = $ARCH
+PLATFORM = $PLATFORM
+OS_MAJOR_VERSION = $OS_MAJOR_VERSION
+OS_MINOR_VERSION = $OS_MINOR_VERSION
+COMPILER = $COMPILER
+GCC_MAJOR_VERSION = $GCC_MAJOR_VERSION
+GCC_MINOR_VERSION = $GCC_MINOR_VERSION
+TCC_MAJOR_VERSION = $TCC_MAJOR_VERSION
+TCC_MINOR_VERSION = $TCC_MINOR_VERSION
+ICC_MAJOR_VERSION = $ICC_MAJOR_VERSION
+ICC_MINOR_VERSION = $ICC_MINOR_VERSION
+SPRO_MAJOR_VERSION = $SPRO_MAJOR_VERSION
+EOF
+				;;
+esac