autotools: Move OSX autoconf macros to ws_osx.m4

Change-Id: Icde077957810a0eb2a99cdfd6ec57dfd04b4ad47
Reviewed-on: https://code.wireshark.org/review/15354
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Tüxen <tuexen@wireshark.org>
Reviewed-by: João Valverde <j@v6e.pt>

1 files changed, 4 insertions, 260 deletions

diff --git a/configure.ac b/configure.ac
index 41bb412108..a7dffab5dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -231,266 +231,10 @@ if test -z "$PKG_CONFIG"; then
 	AC_MSG_ERROR(I couldn't find pkg-config; make sure it's installed and in your path)
 fi
 
-AC_ARG_ENABLE(osx-deploy-target,
-  AC_HELP_STRING( [--enable-osx-deploy-target],
-    [choose an OS X deployment target @<:@default=major release on which you're building@:>@]),
-[
-	#
-	# Is this OS X?
-	#
-	case "$host_os" in
-	darwin*)
-		#
-		# Yes.
-		#
-		# Let the user specify an OS X release to use as a
-		# deplayment target; if they specify that we should
-		# have a deployment target but don't specify the
-		# deployment target, then, if we have SDKs available,
-		# pick the OS version on which the build is being done.
-		# This also causes the build to be done against an SDK
-		# rather than against the headers and libraries in
-		# /usr/include and /usr/lib.
-		#
-		# Check for an OS X deployment target early, so that
-		# as many tests using the compiler are done using the
-		# flags that we'll be using when building.
-		#
-		if test $enableval = no
-		then
-			#
-			# The user explicitly said
-			# --disable-osx-deploy-target, so don't build
-			# against an SDK.
-			#
-			deploy_target=
-		elif test $enableval = yes
-		then
-			#
-			# The user said --enable-osx-deploy-target, but
-			# didn't say what version to target; target the
-			# major version number of the version of OS X on
-			# which we're running.
-			#
-			# (We quote the command so that we can use
-			# autoconf's M4 quoting characters, [ and ], in
-			# the sed expression.)
-			#
-			[deploy_target=`sw_vers -productVersion | sed 's/\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.[0-9]*/\1.\2/'`]
-		else
-			deploy_target="$enableval"
-		fi
-		;;
-
-	*)
-		#
-		# No.  Fail, because whatever the user intended for us to
-		# do, we can't do it.
-		#
-		AC_MSG_ERROR([--enable-osx-deploy-target specified on an OS other than OS X])
-		;;
-	esac
-],[
-	#
-	# Is this OS X?
-	#
-	case "$host_os" in
-	darwin*)
-		#
-		# Yes.
-		#
-		# If we have SDKs available, default to targeting the major
-		# version number of the version of OS X on which we're
-		# running.
-		#
-		# (We quote the command so that we can use autoconf's
-		# M4 quoting characters, [ and ], in the sed expression.)
-		#
-		for i in /Developer/SDKs \
-		    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs \
-		    /Library/Developer/CommandLineTools/SDKs
-		do
-			if test -d "$i"
-			then
-				[deploy_target=`sw_vers -productVersion | sed 's/\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.[0-9]*/\1.\2/'`]
-				break
-			fi
-		done
-		;;
-
-	*)
-		#
-		# No.  There's nothing to do.
-		#
-		;;
-	esac
-])
-
-if test ! -z "$deploy_target"
-then
-	AC_MSG_CHECKING([whether we can build for OS X $deploy_target])
-	case $deploy_target in
-
-	10.0|10.1|10.2)
-		#
-		# I'm not sure this would even work.
-		#
-		AC_MSG_RESULT(no)
-		AC_MSG_ERROR([We don't support building for OS X $deploy_target])
-		;;
-
-	10.3)
-		#
-		# XXX - never tested.
-		#
-		AC_MSG_RESULT(yes)
-		SDKPATH="/Developer/SDKs/MacOSX10.3.9.sdk"
-		;;
-
-	*)
-		#
-		# Look for the oldest SDK we can find that's
-		# for an OS equal to or later than this one.
-		#
-		# XXX - for 10.4, do we need 10.4u?  We're
-		# not currently doing fat builds (we'd need
-		# fat versions of the support libraries for
-		# that to be useful), but, if we do, we'd
-		# need to use 10.4u.
-		#
-
-		#
-		# Get the real version - strip off the "10.".
-		# We'll worry about that if, as, and when there's ever
-		# an OS XI.
-		#
-		deploy_real_version=`echo "$deploy_target" | sed -n 's/10\.\(.*\)/\1/p'`
-
-		#
-		# Search each directory that might contain SDKs.
-		#
-		sdkpath=""
-		for sdksdir in /Developer/SDKs \
-		    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs \
-		    /Library/Developer/CommandLineTools/SDKs
-		do
-			#
-			# Get a list of all the SDKs.
-			#
-			if ! test -d "$sdksdir"
-			then
-				#
-				# There is no directory with that name.
-				# Move on to the next one in the list,
-				# if any.
-				#
-				continue
-			fi
-
-			#
-			# Get a list of all the SDKs in that directory,
-			# if any.
-			#
-			# We have to use @<:@ for [ and @:>@ for ] to
-			# avoid m4 removing the square brackets.
-			#
-			sdklist=`(cd "$sdksdir"; ls -d MacOSX10.@<:@0-9@:>@*.sdk 2>/dev/null)`
-
-			for sdk in $sdklist
-			do
-				#
-				# Get the real version for this SDK.
-				#
-				sdk_real_version=`echo "$sdk" | sed -n 's/MacOSX10\.\(.*\)\.sdk/\1/p'`
-
-				#
-				# Is it for the deployment target or
-				# some later release?
-				#
-				if test "$sdk_real_version" -ge "$deploy_real_version"
-				then
-					#
-					# Yes, use it.
-					#
-					sdkpath="$sdksdir/$sdk"
-					break 2
-				fi
-			done
-		done
-		if test -z "$sdkpath"
-		then
-			AC_MSG_RESULT(no)
-			AC_MSG_ERROR([We couldn't find an SDK for OS X $deploy_target or later])
-		fi
-		SDKPATH="$sdkpath"
-		AC_MSG_RESULT([yes, with the 10.$sdk_real_version SDK])
-		;;
-	esac
-
-	#
-	# Add a -mmacosx-version-min flag to force tests that
-	# use the compiler, as well as the build itself, not to,
-	# for example, use compiler or linker features not supported
-	# by the minimum targeted version of the OS.
-	#
-	# Add an -isysroot flag to use the SDK.
-	#
-	WS_CFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $WS_CFLAGS"
-	WS_CXXFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $WS_CXXFLAGS"
-	WS_LDFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $WS_LDFLAGS"
-
-	#
-	# Add a -sdkroot flag to use with osx-app.sh.
-	#
-	OSX_APP_FLAGS="-sdkroot $SDKPATH"
-
-	#
-	# XXX - do we need this to build the Wireshark wrapper?
-	# XXX - is this still necessary with the -mmacosx-version-min
-	# flag being set?
-	#
-	OSX_DEPLOY_TARGET="MACOSX_DEPLOYMENT_TARGET=$deploy_target"
-
-	#
-	# In the installer package XML file, give the deployment target
-	# as the minimum version.
-	#
-	OSX_MIN_VERSION="$deploy_target"
-
-	case $deploy_target in
-
-	10.4|10.5)
-		#
-		# Only 32-bit builds are supported.  10.5
-		# (and 10.4?) had a bug that causes some BPF
-		# functions not to work with 64-bit userland
-		# code, so capturing won't work.
-		#
-		WS_CFLAGS="-m32 $WS_CFLAGS"
-		WS_CXXFLAGS="-m32 $WS_CXXFLAGS"
-		WS_LDFLAGS="-m32 $WS_LDFLAGS"
-		;;
-	esac
-else
-	#
-	# Is this OS X?
-	#
-	case "$host_os" in
-	darwin*)
-		#
-		# Yes.
-		#
-		# In the installer package XML file, give the current OS
-		# version, minor version and all, as the minimum version.
-		# We can't guarantee that the resulting binary will work
-		# on older OS versions, not even older minor versions
-		# (original release or earlier software updates).
-		#
-		OSX_MIN_VERSION=`sw_vers -productVersion`
-		;;
-	esac
-fi
-AC_SUBST(OSX_MIN_VERSION)
+#
+# Add configure argument to select OSX deployment target.
+#
+AC_WIRESHARK_OSX_DEPLOY_TARGET
 
 #
 # Try to arrange for large file support.