rules/distdir-opts.mk

   1 # -----------------------------------------------------------------------------
   2 #
   3 # (c) 2009 The University of Glasgow
   4 #
   5 # This file is part of the GHC build system.
   6 #
   7 # To understand how the build system works and how to modify it, see
   8 #      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
   9 #      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
  10 #
  11 # -----------------------------------------------------------------------------
  12
  13
  14 # Set compilation flags that depend on a particular directory/distdir
  15
  16 define distdir-opts # args: $1 = dir, $2 = distdir
  17 # $3 = GHC stage to use (0 == bootstrapping compiler)
  18
  19 ifeq "$3" "0"
  20 # This is a bit of a hack.
  21 # If we are compiling something with the bootstrapping compiler on
  22 # cygwin, and it uses an include file from the rts (say), then we
  23 # need to stop mkdependC from generating a dependincy on
  24 #     c:/ghc/rts/include/Rts.h
  25 # as that confuses make. So we use -isystem instead of -I, which stops
  26 # these dependencies from being generated. Technically this is wrong if
  27 # we depend on a library that is built inside the build tree, and we
  28 # use headers from that library, but currently I don't think that's the
  29 # case.
  30 $1_$2_DEP_INCLUDE_DIRS_FLAG = -isystem
  31 else
  32 $1_$2_DEP_INCLUDE_DIRS_FLAG = -I
  33 endif
  34
  35 $1_$2_BUILD_CC_OPTS = \
  36  $$(SRC_CC_OPTS) \
  37  $$($1_CC_OPTS) \
  38  $$(foreach dir,$$($1_$2_INCLUDE_DIRS),-I$1/$$(dir)) \
  39  $$($1_$2_CC_OPTS) \
  40  $$($1_$2_CPP_OPTS) \
  41  $$(foreach dir,$$($1_$2_DEP_INCLUDE_DIRS),$$($1_$2_DEP_INCLUDE_DIRS_FLAG)$$(dir)) \
  42  $$($1_$2_DEP_CC_OPTS)
  43
  44 $1_$2_BUILD_LD_OPTS = \
  45  $$(SRC_LD_OPTS) \
  46  $$($1_LD_OPTS) \
  47  $$($1_$2_LD_OPTS) \
  48  $$(foreach opt,$$($1_$2_DEP_LIB_DIRS),-L$$(opt)) \
  49  $$(foreach opt,$$($1_$2_DEP_EXTRA_LIBS),-l$$(opt)) \
  50  $$($1_$2_DEP_LD_OPTS)
  51
  52 # c.f. Cabal's Distribution.Simple.GHC.ghcOptions
  53 $1_$2_BUILD_HC_OPTS = \
  54  $$(SRC_HC_OPTS) \
  55  $$($1_HC_OPTS) \
  56  $$($1_$2_HC_PKGCONF) \
  57  $$(if $$($1_$2_PROG),, \
  58         $$(if $$($1_PACKAGE),-package-name $$($1_PACKAGE)-$$($1_$2_VERSION))) \
  59  $$(if $$($1_PACKAGE),-hide-all-packages) \
  60  -i $$(if $$($1_$2_HS_SRC_DIRS),$$(foreach dir,$$($1_$2_HS_SRC_DIRS),-i$1/$$(dir)),-i$1) \
  61  -i$1/$2/build -i$1/$2/build/autogen \
  62  -I$1/$2/build -I$1/$2/build/autogen \
  63  $$(foreach dir,$$($1_$2_INCLUDE_DIRS),-I$1/$$(dir)) \
  64  $$(foreach inc,$$($1_$2_INCLUDE),-\#include "$$(inc)") \
  65  $$(foreach opt,$$($1_$2_CPP_OPTS),-optP$$(opt)) \
  66  $$(if $$($1_PACKAGE),-optP-include -optP$1/$2/build/autogen/cabal_macros.h) \
  67  $$(foreach pkg,$$($1_$2_DEPS),-package $$(pkg)) \
  68  $$(if $$(findstring YES,$$($1_$2_SplitObjs)),-split-objs,) \
  69  $$($1_$2_HC_OPTS)
  70
  71 endef
  72