fix the build with GHC 6.4 (not 6.4.1)
[ghc-hetmet.git] / ghc / lib / compat / Makefile
index 62d1726..7637c94 100644 (file)
@@ -6,36 +6,85 @@ ALL_DIRS = \
        Compat \
        Distribution \
        Distribution/Compat \
+       Language/Haskell \
+       System \
+       System/Directory \
        cbits
 
+SplitObjs=NO
 LIBRARY = libghccompat.a
 
+# We don't want this installed
+NO_INSTALL_LIBRARY = YES
+
+# Avoid building the GHCi lib, since we don't need it
+GhcWithInterpreter = NO
+
+# Needed so that the libraries can #include relative to this directory.
+INCLUDE_DIRS=-I. -Iinclude
+
+SRC_HC_OPTS    += $(INCLUDE_DIRS)
+SRC_CC_OPTS    += $(INCLUDE_DIRS)
+MKDEPENDC_OPTS += $(INCLUDE_DIRS)
+
 # Just to silence warnings
 MKDEPENDC_OPTS += -I$(GHC_INCLUDE_DIR)
 
 UseGhcForCc = YES
 
-ghc_603_plus = $(shell if (test $(GhcCanonVersion) -ge 603); then echo YES; else echo NO; fi)
+# This library is linked to the compiler, at least in stage1, so we
+# better make sure it is built the same "way".
+#
+# BUT, if GhcHcOpts includes -DDEBUG we *don't* want to compile
+# lib/compat with -DDEBUG, because the preprocessor symbols used
+# by the compiler may be understood differently by library code.
+# In this particular case, it turned out that -DDEBUG made Cabal 
+# import HUnit, which might not be installed for the compiler we are
+# compiling with (e.g. 6.2.1). Hence the filter-out.
+SRC_HC_OPTS += $(filter-out -D%, $(GhcHcOpts)) 
+
+# GHC 6.4 didn't have WCsubst.c, but 6.4.1 did, and we need to know
+# this in cbits/unicode.c The patchlevel isn't normally exposed as a
+# CPP symbol, so we have to do it by hand:
+SRC_CC_OPTS += -D__GHC_PATCHLEVEL__=$(GhcPatchLevel)
 
-ifeq "$(ghc_603_plus)" "YES"
-# These modules are all provided in GHC 6.3+
+ifeq "$(ghc_ge_603)" "YES"
+# These modules are provided in GHC 6.3+
 EXCLUDED_SRCS += \
-       Data/Version.hs \
-       Distribution/Compat/Error.hs \
-       Distribution/Compat/ReadP.hs \
-       Distribution/Extension.hs \
-       Distribution/InstalledPackageInfo.hs \
-       Distribution/License.hs \
-       Distribution/Package.hs \
-       Distribution/ParseUtils.hs \
-       Distribution/Setup.hs \
-       Distribution/Version.hs
+       System/Directory/Internals.hs
+
+SRC_MKDEPENDHS_OPTS += \
+       -optdep--exclude-module=System.Directory.Internals
+
+# GHC 6.3+ has Cabal, but we're replacing it:
+SRC_HC_OPTS += -ignore-package Cabal
 endif
 
+# Some explicit dependencies, needed because ghc -M can't discover the
+# true dependencies of these stub files.
+System/Directory/Internals.$(way_)o : $(FPTOOLS_TOP)/libraries/base/System/Directory/Internals.hs
+Distribution/Compat/FilePath.$(way_) : $(FPTOOLS_TOP)/libraries/Cabal/Distribution/Compat/FilePath.hs
+Distribution/Compat/ReadP.$(way_) : $(FPTOOLS_TOP)/libraries/Cabal/Distribution/Compat/ReadP.hs
+Distribution/GetOpt.$(way_)o    : $(FPTOOLS_TOP)/libraries/Cabal/Distribution/GetOpt.hs
+Distribution/InstalledPackageInfo.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/InstalledPackageInfo.hs
+Distribution/License.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/License.hs
+Distribution/Package.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/Package.hs
+Distribution/ParseUtils.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/ParseUtils.hs
+Distribution/Compiler.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/Compiler.hs
+Distribution/Version.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Distribution/Version.hs
+Language/Haskell/Extension.$(way_)o :  $(FPTOOLS_TOP)/libraries/Cabal/Language/Haskell/Extension.hs
+cbits/unicode.o : $(FPTOOLS_TOP)/libraries/base/cbits/WCsubst.c $(FPTOOLS_TOP)/libraries/base/include/WCsubst.h
+
+SRC_CC_OPTS += -I$(FPTOOLS_TOP)/libraries/base/cbits -I$(FPTOOLS_TOP)/libraries/base/include
+
 # Make the #includes in the stubs independent of the current location
 SRC_HC_OPTS += -I$(FPTOOLS_TOP)/libraries
 
-SRC_HC_OPTS +=  -fglasgow-exts
+SRC_HC_OPTS +=  -fglasgow-exts -no-recomp
+
+ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
+Compat/Directory_HC_OPTS += -\#include shlobj.h
+endif
 
 # libghccompat is needed to build ghc-pkg, which is built during 'make boot',
 # so we must build this library during 'make boot' too.
@@ -46,4 +95,7 @@ boot :: depend
        $(MAKE) all
 endif
 
+# We don't ever want to build libghccompat as a shared library.
+GhcBuildDylibs=NO
+
 include $(TOP)/mk/target.mk