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Makefile: Warn if deutex does not support PNG

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Check if deutex supports PNG based on its help output and fail the
build early if not.
This commit is contained in:
Steven Elliott 2019-12-22 13:58:45 -06:00
parent 0f7e672fa9
commit eb8efd3297
1 changed files with 14 additions and 1 deletions
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15
Makefile
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@ -18,7 +18,7 @@ OBJS=$(FREEDM) $(FREEDOOM1) $(FREEDOOM2)
.PHONY: clean dist
all: $(OBJS)
all: deutex-check $(OBJS)
subdirs:
$(MAKE) -C lumps/dehacked # graphics/text depends on generated dehacked files
@ -42,6 +42,19 @@ lumps/freedoom.lmp lumps/freedm.lmp: force
# entries, so we have to change the texture1 symlink to point
# to whichever wad we are working on
#---------------------------------------------------------
# Build checks
# Make sure deutex supports PNG
deutex-check:
@$(DEUTEX) -h | grep -qw PNG || { \
echo "$(DEUTEX) does not support PNG. Try building deutex with the PNG"; \
echo "libraries (libpng and libpng-devel or similar packages) installed."; \
echo "deutex can be downloaded from https://github.com/Doom-Utils/deutex."; \
echo "The full path to duetex can be specified by passing"; \
echo "DEUTEX=/the/path/to/deutex to make when building Freedoom."; \
exit 1; }
#---------------------------------------------------------
# freedm iwad