diff options
| -rw-r--r-- | mk/paths.mk | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/mk/paths.mk b/mk/paths.mk index 4485af1095..5fae5b7c8a 100644 --- a/mk/paths.mk +++ b/mk/paths.mk @@ -85,8 +85,19 @@ INSTALL_DIR = $(FPTOOLS_TOP)/glafp-utils/mkdirhier/mkdirhier # OBJS - object files (possibly prefixed). # # PROG - name of final executable -# -# + +# We attempt to automatically devine the list of sources $(SRCS) to +# compile by looking in the current directory. This is complicated by +# the fact that a .hsc file gives rise to a .hs file (which needs to +# be automatically included in $(SRCS)), but the .hs file might +# already be present in the current directory and we don't want to +# compile it twice. + +# So we figure out the sources in three stages: first figure out +# what's in the current directory. Then figure out all the "derived" +# sources (eg. A.hsc generates A.hs and A_hsc.c), and finally put all +# these together and remove duplicates (GNU make's handy sort function +# does the duplicate removing). # # BOOT_SRCS: list of machine generated Haskell modules. # HS_SRCS: list of Haskell modules you want to compile. @@ -97,14 +108,15 @@ INSTALL_DIR = $(FPTOOLS_TOP)/glafp-utils/mkdirhier/mkdirhier # (caveat: assuming no funny use of -hisuf and that # file name and module name match) -SRCS = $(sort $(wildcard *.lhs *.hs *.c *.prl *.lprl *.lit *.verb) \ - $(HSC_HS_SRCS) $(HSC_C_SRCS) ) +PRE_SRCS = $(wildcard *.lhs *.hs *.c *.prl *.lprl *.lit *.verb *.hsc) -HSC_SRCS = $(wildcard *.hsc) +HSC_SRCS = $(filter %.hsc, $(PRE_SRCS)) HSC_HS_SRCS = $(patsubst %.hsc,%.hs,$(HSC_SRCS)) HSC_C_SRCS = $(patsubst %.hsc,%_hsc.c,$(HSC_SRCS)) HSC_C_OBJS = $(patsubst %.hsc,%_hsc.o,$(HSC_SRCS)) +SRCS = $(sort $(PRE_SRCS) $(HSC_HS_SRCS) $(HSC_C_SRCS)) + HS_SRCS = $(filter %.lhs %.hs %.hc,$(sort $(SRCS) $(BOOT_SRCS))) HS_OBJS = $(addsuffix .$(way_)o,$(basename $(HS_SRCS))) HS_HCS = $(addsuffix .$(way_)hc,$(basename $(HS_SRCS))) |