diff options
| author | glx <glx@openttd.org> | 2019-01-15 02:26:54 +0100 |
|---|---|---|
| committer | Charles Pigott <charlespigott@googlemail.com> | 2019-01-16 19:27:06 +0000 |
| commit | ee84f98f1e1c2063bb2a0c3405200c1a8ff9b970 (patch) | |
| tree | 63da22a2139d0529d617ba6670a70fa9810af189 /Makefile.src.in | |
| parent | 5a09337c2018a7ee371e2e96220ee0d06b1df753 (diff) | |
| download | openttd-ee84f98f1e1c2063bb2a0c3405200c1a8ff9b970.tar.xz | |
Fix: deps calculation call could fail due to command line length
Diffstat (limited to 'Makefile.src.in')
| -rw-r--r-- | Makefile.src.in | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Makefile.src.in b/Makefile.src.in index 0589ba69a..c07015cfe 100644 --- a/Makefile.src.in +++ b/Makefile.src.in @@ -159,6 +159,19 @@ $(SRC_OBJS_DIR)/$(DEPEND): $(SRC_DIR)/depend/depend.cpp $(Q)$(CXX_BUILD) $(CFLAGS_BUILD) $(CXXFLAGS_BUILD) $(LDFLAGS_BUILD) -o $@ $< endif +# Macro for invoking a command on groups of 100 words at a time +# (analogous to xargs(1)). The macro invokes itself recursively +# until the list of words is depleted. +# +# Usage: $(call xargs,COMMAND,LIST) +# +# COMMAND should be a shell command to which the words will be +# appended as arguments in groups of 100. +define xargs +$(1) $(wordlist 1,100,$(2)) +$(if $(word 101,$(2)),$(call xargs,$(1),$(wordlist 101,$(words $(2)),$(2)))) +endef + # Make sure that only 'make depend' ALWAYS triggers a recheck ifeq ($(filter depend, $(MAKECMDGOALS)),) Makefile.dep: $(FILE_DEP) $(SRCS:%=$(SRC_DIR)/%) $(CONFIG_CACHE_SOURCE) $(DEP) @@ -170,14 +183,7 @@ endif $(Q)touch Makefile.dep.tmp # Calculate the deps via makedepend - $(Q)$(MAKEDEPEND) -f$(SRC_OBJS_DIR)/Makefile.dep.tmp -o.o -Y -v -- $(CFLAGS_MAKEDEP) -- $(SRCS:%=$(SRC_DIR)/%) 2>/dev/null - -# Convert x:/... paths to /x/... for mingw -ifeq ($(OS), MINGW) - @cat Makefile.dep.tmp | sed 's@/\([a-zA-Z]\):\/@\/\1\/@g' > Makefile.dep.tmp.mingw - @cp Makefile.dep.tmp.mingw Makefile.dep.tmp - @rm -f Makefile.dep.tmp.mingw -endif + $(call xargs,$(Q)$(MAKEDEPEND) -f$(SRC_OBJS_DIR)/Makefile.dep.tmp -o.o -Y -v -a -- $(CFLAGS_MAKEDEP) -- 2>/dev/null,$(SRCS:%=$(SRC_DIR)/%)) # Remove all comments and includes that don't start with $(SRC_DIR) # Remove $(SRC_DIR) from object-file-name |