rules/distdir-opts.mk

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