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Fix errors with parallel make

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seen when doing 'make -j i386-tcc tcc', as explained in the comment.
This commit is contained in:
Michael Matz 2020-12-25 02:10:43 +01:00
parent 16ed67537c
commit cc40305a12
1 changed files with 7 additions and 1 deletions
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8
Makefile
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@ -236,7 +236,13 @@ tcc$(EXESUF): tcc.o $(LIBTCC)
$S$(CC) -o $@ $^ $(LIBS) $(LDFLAGS) $(LINK_LIBTCC)
# Cross Tiny C Compilers
%-tcc$(EXESUF): FORCE
# (the TCCDEFS_H dependency is only necessary for parallel makes,
# ala 'make -j x86_64-tcc i386-tcc tcc', which would create multiple
# c2str.exe and tccdefs_.h files in parallel, leading to access errors.
# This forces it to be made only once. Make normally tracks multiple paths
# to the same goals and only remakes it once, but that doesn't work over
# sub-makes like in this target)
%-tcc$(EXESUF): $(TCCDEFS_H) FORCE
@$(MAKE) --no-print-directory $@ CROSS_TARGET=$* ONE_SOURCE=$(or $(ONE_SOURCE),yes)
$(CROSS_TARGET)-tcc$(EXESUF): $(TCC_FILES)