Remove the MACOSX_DEPLOYMENT stuff; fixes #7559

If anyone wants to do this in the future, they should just set
appropriate CC_OPTS/LD_OPTS variables instead.

aclocal.m4

@@ -1728,35 +1728,6 @@ AC_DEFUN([FP_GMP],
   AC_SUBST(GMP_LIB_DIRS)
 ])# FP_GMP
 
-# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
-# ---------------------------------
-AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
-[
-if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
-  AC_MSG_CHECKING([Mac OS X deployment target])
-  case $FP_MACOSX_DEPLOYMENT_TARGET in
-    none)  ;;
-    10.4)  MACOSX_DEPLOYMENT_VERSION=10.4
-    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
-	   ;;
-    10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
-    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
-	   ;;
-    *)     MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
-    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
-	   ;;
-  esac
-  if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
-    AC_MSG_RESULT(none)
-  else
-    if test ! -d $MACOSX_DEPLOYMENT_SDK; then
-      AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
-    fi
-    AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
-  fi
-fi
-])
-
 # --------------------------------------------------------------
 # Calculate absolute path to build tree
 # --------------------------------------------------------------

configure.ac

@@ -498,23 +498,6 @@ FIND_LLVM_PROG([OPT], [opt], [opt])
 OptCmd="$OPT"
 AC_SUBST([OptCmd])
 
-dnl ** Mac OS X: explicit deployment target
-dnl --------------------------------------------------------------
-AC_ARG_WITH([macosx-deployment-target],
-[AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
-        [Build for Mac OS VERSION and higher  (default= version of build host)])],
-[FP_MACOSX_DEPLOYMENT_TARGET="$withval"
- if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
-   # ignore everywhere, but on Mac OS
-   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
-   FP_MACOSX_DEPLOYMENT_TARGET=none
- fi],
-[FP_MACOSX_DEPLOYMENT_TARGET=none]
-)
-FP_CHECK_MACOSX_DEPLOYMENT_TARGET
-AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
-AC_SUBST(MACOSX_DEPLOYMENT_SDK)
-
 dnl --------------------------------------------------------------
 dnl End of configure script option section
 dnl --------------------------------------------------------------

mk/config.mk.in

@@ -42,27 +42,6 @@ NO_INCLUDE_PKGDATA = NO
 # Should we build latex docs?
 LATEX_DOCS = NO
 
-# Mac OS X deployment target (to cross-compile for older OS versions)
-#
-MACOSX_DEPLOYMENT_VERSION = @MACOSX_DEPLOYMENT_VERSION@
-MACOSX_DEPLOYMENT_SDK = @MACOSX_DEPLOYMENT_SDK@
-
-ifneq "$(MACOSX_DEPLOYMENT_VERSION)" ""
-MACOSX_DEPLOYMENT_CC_OPTS = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_VERSION) \
-			    -isysroot $(MACOSX_DEPLOYMENT_SDK) \
-			    --no-builtin-fprintf
-MACOSX_DEPLOYMENT_LD_OPTS = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_VERSION) \
-			    -Wl,-syslibroot,$(MACOSX_DEPLOYMENT_SDK)
-# We don't extend SRC_CC_OPTS and friends here directly, as (a) they may get
-# overwritten in build.mk and (b) we must not use the deployment options in
-# stage 1 or we get a linker error if the bootstrap compiler is for a more 
-# recent OS version.
-#
-# We need --no-builtin-fprintf, as the use of the builtin function optimisation
-# for fprintf together with #include "PosixSource" in the RTS leads to the
-# use of fwrite$UNIX2003 (with GCC 4.0.1 on Mac OS X 10.5.2).
-endif
-
 ################################################################################
 #
 # Variables that control how the compiler itself is built

rts/ghc.mk

@@ -279,11 +279,6 @@ ifeq "$(UseLibFFIForAdjustors)" "YES"
 rts_CC_OPTS += -DUSE_LIBFFI_FOR_ADJUSTORS
 endif
 
-# Mac OS X: make sure we compile for the right OS version
-rts_CC_OPTS += $(MACOSX_DEPLOYMENT_CC_OPTS)
-rts_HC_OPTS += $(addprefix -optc, $(MACOSX_DEPLOYMENT_CC_OPTS))
-rts_LD_OPTS += $(addprefix -optl, $(MACOSX_DEPLOYMENT_LD_OPTS))
-
 # We *want* type-checking of hand-written cmm.
 rts_HC_OPTS += -dcmm-lint 
 

utils/lndir/Makefile

 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
-# Exclude for booting
-ifeq "$(stage)" "2"
-SRC_CC_OPTS += $(MACOSX_DEPLOYMENT_CC_OPTS)
-SRC_LD_OPTS += $(MACOSX_DEPLOYMENT_LD_OPTS)
-endif
-
 C_SRCS=lndir.c
 C_PROG=lndir