fi])# FP_PROG_GHC_PKG
-# FP_GHC_HAS_READLINE
+# FP_GHC_HAS_EDITLINE
# -------------------
-AC_DEFUN([FP_GHC_HAS_READLINE],
+AC_DEFUN([FP_GHC_HAS_EDITLINE],
[AC_REQUIRE([FP_PROG_GHC_PKG])
-AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
-[if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
- fp_cv_ghc_has_readline=yes
+AC_CACHE_CHECK([whether ghc has editline package], [fp_cv_ghc_has_editline],
+[if "${GhcPkgCmd-ghc-pkg}" --show-package editline >/dev/null 2>&1; then
+ fp_cv_ghc_has_editline=yes
else
- fp_cv_ghc_has_readline=no
+ fp_cv_ghc_has_editline=no
fi])
-AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
-])# FP_GHC_HAS_READLINE
+AC_SUBST([GhcHasEditline], [`echo $fp_cv_ghc_has_editline | sed 'y/yesno/YESNO/'`])
+])# FP_GHC_HAS_EDITLINE
-# FP_GCC_NEEDS_NO_OMIT_LFPTR
-# --------------------------
+# FP_GCC_EXTRA_FLAGS
+# ------------------
+# Determine which extra flags we need to pass gcc when we invoke it
+# to compile .hc code.
+#
# Some OSs (Mandrake Linux, in particular) configure GCC with
-# -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
-# it off for mangling to work. The test is currently a bit crude, using only the
-# version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
-AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
-[AC_REQUIRE([FP_HAVE_GCC])
-AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
-[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
- [fp_cv_gcc_needs_no_omit_lfptr=yes],
- [fp_cv_gcc_needs_no_omit_lfptr=no])])
-if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
- AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
-fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
-
-# FP_GCC_HAS_NO_UNIT_AT_A_TIME
-# --------------------------
-AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
+# -momit-leaf-frame-pointer on by default. If this is the case, we
+# need to turn it off for mangling to work. The test is currently a
+# bit crude, using only the version number of gcc.
+#
+# -fwrapv is needed for gcc to emit well-behaved code in the presence of
+# integer wrap around. (Trac #952)
+#
+# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
+# reordering things in the module and confusing the manger and/or splitter.
+# (eg. Trac #1427)
+#
+AC_DEFUN([FP_GCC_EXTRA_FLAGS],
[AC_REQUIRE([FP_HAVE_GCC])
-AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
-[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
- [fp_cv_gcc_has_no_unit_at_a_time=yes],
- [fp_cv_gcc_has_no_unit_at_a_time=no])])
-if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
- AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
-fi])
+AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
+[fp_cv_gcc_extra_opts=
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
+ [])
+ case $TargetPlatform in
+ i386-*|x86_64-*)
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
+ [])
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
+ [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
+ )],
+ [])
+ ;;
+ esac
+])
+AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
+])
-# FP_GCC_HAS_WRAPV
-# --------------------------
-AC_DEFUN([FP_GCC_HAS_WRAPV],
-[AC_REQUIRE([FP_HAVE_GCC])
-AC_CACHE_CHECK([whether gcc has -fwrapv], [fp_cv_gcc_has_wrapv],
-[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
- [fp_cv_gcc_has_wrapv=yes],
- [fp_cv_gcc_has_wrapv=no])])
-if test "$fp_cv_gcc_has_wrapv" = "yes"; then
- AC_DEFINE([HAVE_GCC_HAS_WRAPV], [1], [Define to 1 if gcc supports -fwrapv.])
-fi])
# FP_SETUP_PROJECT_VERSION
# ---------------------
AC_REQUIRE([AC_PROG_CC])
])
+# 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
# --------------------------------------------------------------
AC_DEFUN([FP_FIND_ROOT],[
AC_MSG_CHECKING(for path to top of build tree)
-hardtop=`pwd`
+dnl This would be
+dnl make -C utils/pwd clean && make -C utils/pwd
+dnl except we don't want to have to know what make is called. Sigh.
+if test ! -f utils/pwd/pwd && test ! -f utils/pwd/pwd.exe; then
+ cd utils/pwd
+ rm -f *.o
+ rm -f *.hi
+ rm -f pwd
+ rm -f pwd.exe
+ $WithGhc -v0 --make pwd -o pwd
+ cd ../..
+fi
+
+hardtop=`utils/pwd/pwd forwardslash`
+
+if ! test -d "$hardtop"; then
+ AC_MSG_ERROR([cannot determine current directory])
+fi
dnl Remove common automounter nonsense
dnl
-hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
+hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
-dnl Find 'hardtop_plat', the native format for 'hardtop'
-dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes
-dnl being escaped).
-dnl
-dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert
-dnl /cygdrive/c/foo to c:/foo but we must not do that if we
-dnl aren't building using Cygwin (notably msys), because
-dnl cygpath doesn't exist. It seems that 'bash' sets
-dnl OSTYPE to 'cygwin' or 'msys' respectively, but cygwin's
-dnl 'sh' does not. So we hackily assume that if the shell
-dnl hasn't set it to 'msys' then we must be in Cygwin.
-dnl Sigh.
-dnl
-dnl The Right Thing is probably to test $BuildPlatform
-dnl instead, but we are sloppy about setting that correctly
-dnl at the moment, so we just work around for now.
-dnl
-dnl The quotes round "$(OSTYPE)" are essential, for the
-dnl Cygwin-sh case where OSTYPE is not set.
-case $HostPlatform in
- i386-unknown-mingw32 | i386-unknown-cygwin32)
- if test "${OSTYPE}" != "msys"
- then
- # convert $hardtop to a path that mingw will understand too
- cyghardtop=${hardtop}
- hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
- hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
- else
-dnl OK, so we're in the MSYS case. hardtop looks like /c/....
-dnl We want to make hardtop_plat into c:/...
-dnl Stop using [] for quotes temporarily, so we can use [] in the sed regexp
-changequote(, )dnl
- hardtop_plat=`echo ${hardtop} | sed -e 's@^/\\([a-zA-Z]\\)/@\\1:/@g'`
-changequote([, ])dnl
- fi
- ;;
- *)
- hardtop_plat=${hardtop}
- ;;
-esac
AC_SUBST(hardtop)
-AC_SUBST(hardtop_plat)
AC_MSG_RESULT(${hardtop})