Include usg_file_hash in ghc --show-iface output
[ghc.git] / rules / distdir-opts.mk
index 5aee691..6cabac3 100644 (file)
 # This file is part of the GHC build system.
 #
 # To understand how the build system works and how to modify it, see
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
 #
 # -----------------------------------------------------------------------------
 
 
-# Set compilation flags that depend on a particular directory/distdir
+# Set compilation flags that do not depend on a particular way
 
-define distdir-opts # args: $1 = dir, $2 = distdir
-# $3 = GHC stage to use (0 == bootstrapping compiler)
+define distdir-opts # args: $1 = dir, $2 = distdir, $3 = stage
 
-ifeq "$3" "0"
-# This is a bit of a hack.
-# If we are compiling something with the bootstrapping compiler on
-# cygwin, and it uses an include file from the rts (say), then we
-# need to stop mkdependC from generating a dependincy on
-#     c:/ghc/rts/include/Rts.h
-# as that confuses make. So we use -isystem instead of -I, which stops
-# these dependencies from being generated. Technically this is wrong if
-# we depend on a library that is built inside the build tree, and we
-# use headers from that library, but currently I don't think that's the
-# case.
-$1_$2_DEP_INCLUDE_DIRS_FLAG = -isystem
-else
-$1_$2_DEP_INCLUDE_DIRS_FLAG = -I
+ifeq "$3" ""
+$$(error Stage not given for distdir-opts $1 $2)
+endif
+
+ifneq ($$(strip $$($1_$2_DEP_INCLUDE_DIRS_SINGLE_QUOTED)),)
+$1_$2_CC_INC_FLAGS := $$(subst $$(space)',$$(space)-I',$$(space)$$($1_$2_DEP_INCLUDE_DIRS_SINGLE_QUOTED))
 endif
 
-$1_$2_BUILD_CC_OPTS = \
+# The CONF_CC_OPTS_STAGE$3 options are what we use to get gcc to
+# behave correctly, but they are specific to the gcc that we are using.
+# If GHC is compiling C code then it will take care of that for us,
+# and in the case of the stage 0 compiler it may be using a different
+# gcc, so we don't want to use our gcc-specific options.
+$1_$2_DIST_GCC_CC_OPTS = \
+ $$(CONF_CC_OPTS_STAGE$3) \
+ $$($1_$2_DIST_CC_OPTS)
+
+$1_$2_DIST_CC_OPTS = \
  $$(SRC_CC_OPTS) \
  $$($1_CC_OPTS) \
- $$(foreach dir,$$($1_$2_INCLUDE_DIRS),-I$1/$$(dir)) \
+ -I$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
+ $$(foreach dir,$$(filter-out /%,$$($1_$2_INCLUDE_DIRS)),-I$1/$$(dir)) \
+ $$(foreach dir,$$(filter /%,$$($1_$2_INCLUDE_DIRS)),-I$$(dir)) \
  $$($1_$2_CC_OPTS) \
  $$($1_$2_CPP_OPTS) \
- $$(foreach dir,$$($1_$2_DEP_INCLUDE_DIRS),$$($1_$2_DEP_INCLUDE_DIRS_FLAG)$$(dir)) \
- $$($1_$2_DEP_CC_OPTS)
+ $$($1_$2_CC_INC_FLAGS) \
+ $$($1_$2_DEP_CC_OPTS) \
+ $$(SRC_CC_WARNING_OPTS)
 
-$1_$2_BUILD_LD_OPTS = \
+$1_$2_DIST_LD_OPTS = \
  $$(SRC_LD_OPTS) \
  $$($1_LD_OPTS) \
  $$($1_$2_LD_OPTS) \
- $$(foreach opt,$$($1_$2_DEP_LIB_DIRS),-L$$(opt)) \
- $$(foreach opt,$$($1_$2_DEP_EXTRA_LIBS),-l$$(opt)) \
+ $$($1_$2_DIST_LD_LIB_DIRS) \
  $$($1_$2_DEP_LD_OPTS)
 
-# c.f. Cabal's Distribution.Simple.GHC.ghcOptions
-$1_$2_BUILD_HC_OPTS = \
- $$(SRC_HC_OPTS) \
- $$($1_HC_OPTS) \
- $$($1_$2_HC_PKGCONF) \
- $$(if $$($1_$2_PROG),, \
-        $$(if $$($1_PACKAGE),-package-name $$($1_PACKAGE)-$$($1_$2_VERSION))) \
- $$(if $$($1_PACKAGE),-hide-all-packages) \
- -i $$(if $$($1_$2_HS_SRC_DIRS),$$(foreach dir,$$($1_$2_HS_SRC_DIRS),-i$1/$$(dir)),-i$1) \
- -i$1/$2/build -i$1/$2/build/autogen \
- -I$1/$2/build -I$1/$2/build/autogen \
- $$(foreach dir,$$($1_$2_INCLUDE_DIRS),-I$1/$$(dir)) \
- $$(foreach inc,$$($1_$2_INCLUDE),-\#include "$$(inc)") \
- $$(foreach opt,$$($1_$2_CPP_OPTS),-optP$$(opt)) \
- $$(if $$($1_PACKAGE),-optP-include -optP$1/$2/build/autogen/cabal_macros.h) \
- $$(foreach pkg,$$($1_$2_DEPS),-package $$(pkg)) \
- $$(if $$(findstring YES,$$($1_$2_SplitObjs)),-split-objs,) \
- $$($1_$2_HC_OPTS)
+# c.f. Cabal's Distribution.Simple.PreProcess.ppHsc2hs
+# We use '' around cflags and lflags to handle paths with backslashes in
+# on Windows
+ifneq ($$(strip $$($1_$2_DIST_GCC_CC_OPTS)),)
+$1_$2_HSC2HS_CC_OPTS:=$$(shell for i in $$($1_$2_DIST_GCC_CC_OPTS); do echo \'--cflag=$$$$i\'; done)
+endif
+ifneq ($$(strip $$($1_$2_DIST_LD_OPTS)),)
+$1_$2_HSC2HS_LD_OPTS:=$$(shell for i in $$($1_$2_DIST_LD_OPTS); do echo \'--lflag=$$$$i\'; done)
+endif
+
+$1_$2_ALL_HSC2HS_OPTS = \
+ '--cc=$$(CC_STAGE$3)' \
+ '--ld=$$(CC_STAGE$3)' \
+ $$(CONF_HSC2HS_OPTS) \
+ $$(SRC_HSC2HS_OPTS) \
+ $$(SRC_HSC2HS_OPTS_STAGE$3) \
+ --cflag=-D__GLASGOW_HASKELL__=$$(if $$(filter 0,$3),$$(GhcCanonVersion),$$(ProjectVersionInt)) \
+ $$($1_$2_HSC2HS_CC_OPTS) \
+ $$($1_$2_HSC2HS_LD_OPTS) \
+ --cflag=-I$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
+ $$(if $$($1_PACKAGE),--cflag=-include --cflag=$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen/cabal_macros.h) \
+ $$($$(basename $$<)_HSC2HS_OPTS) \
+ $$(EXTRA_HSC2HS_OPTS)
+
+$1_$2_ALL_ALEX_OPTS = \
+ $$(CONF_ALEX_OPTS) \
+ $$(SRC_ALEX_OPTS) \
+ $$($1_ALEX_OPTS) \
+ $$($1_$2_ALEX_OPTS) \
+ $$(EXTRA_ALEX_OPTS)
+
+$1_$2_ALL_HAPPY_OPTS = \
+ $$(CONF_HAPPY_OPTS) \
+ $$(SRC_HAPPY_OPTS) \
+ $$($1_HAPPY_OPTS) \
+ $$($1_$2_HAPPY_OPTS) \
+ $$(EXTRA_HAPPY_OPTS)
+
+# We don't bother splitting the bootstrap packages (built with stage 0)
+ifeq "$$($1_$2_SplitObjs)" ""
+ifeq "$$(SplitObjs) $3" "YES 1"
+$1_$2_SplitObjs = YES
+else
+$1_$2_SplitObjs = NO
+endif
+endif
+# Disable split sections when building with stage0, it won't be supported yet
+# and it's probably not very relevant anyway (smaller stage1 ghc?).
+ifeq "$$($1_$2_SplitSections)" ""
+ifeq "$3" "1"
+$1_$2_SplitSections = $(SplitSections)
+else
+$1_$2_SplitSections = NO
+endif
+endif
 
 endef