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| author |   Sam James <sam@gentoo.org> | 2023-02-09 22:45:06 +0000 |
|---|---|---|
| committer | Sam James <sam@gentoo.org> | 2023-02-09 22:52:49 +0000 |
| commit | 5f14870405eb92a33d12a55c38fa67ffe93b9a86 (patch) | |
| tree | 7d9efb4e99b6b0d2233805d26c59c6c9f26f42ed /sys-devel/reflex/files/reflex-20230206-parallel-build.patch | |
| parent | toolchain.eclass: Register the D tc_feature (diff) | |
| download | gentoo-5f14870405eb92a33d12a55c38fa67ffe93b9a86.tar.gz gentoo-5f14870405eb92a33d12a55c38fa67ffe93b9a86.tar.bz2 gentoo-5f14870405eb92a33d12a55c38fa67ffe93b9a86.zip | |
sys-devel/reflex: fix parallel build
Closes: https://bugs.gentoo.org/883611
Thanks-to: Arsen Arsenović <arsen@gentoo.org>
Signed-off-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'sys-devel/reflex/files/reflex-20230206-parallel-build.patch')
| -rw-r--r-- | sys-devel/reflex/files/reflex-20230206-parallel-build.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sys-devel/reflex/files/reflex-20230206-parallel-build.patch b/sys-devel/reflex/files/reflex-20230206-parallel-build.patch new file mode 100644 index 000000000000..ecfadc14639f --- /dev/null +++ b/sys-devel/reflex/files/reflex-20230206-parallel-build.patch @@ -0,0 +1,54 @@ +From 16cc516dfbb6dac01fcd0bfcb717a681b132c0b4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Arsen=20Arsenovi=C4=87?= <arsen@gentoo.org> +Date: Thu, 9 Feb 2023 20:34:48 +0100 +Subject: [PATCH] Remove .bootstrap and scan.c target race + +If the parallelism of a make invocation is great enough to generate both +.bootstrap and scan.c simultaneously, there's a great chance that the +rule in .bootstrap will be overruled by the (possibly failing) +redirection in the scan.c, resulting in an empty scan.c and a failing +build. Instead, we can use an empty scan.c as an (inaccurate) proxy for +the boostrap. + +Bug: https://bugs.gentoo.org/883611 +--- a/Makefile.in ++++ b/Makefile.in +@@ -126,14 +126,9 @@ PERF_REPORT = -p + + all: $(FLEX) + +-$(FLEX): .bootstrap $(OBJECTS) $(FLEXLIB) ++$(FLEX): $(OBJECTS) $(FLEXLIB) + @ECHO_LD@$(CC) $(CFLAGS) -o $(FLEX) $(LDFLAGS) $(OBJECTS) $(FLEXLIB) $(LIBS) + +-.bootstrap: initscan.c +- @rm -f scan.c +- cp $(srcdir)/initscan.c scan.c +- touch .bootstrap +- + parse.c: parse.y + $(YACC) -d $(srcdir)/parse.y + @sed '/extern char.*malloc/d' <y.tab.c >parse.tmp +@@ -145,6 +140,7 @@ parse.h: parse.c + + scan.c: scan.l + $(SHELL) $(srcdir)/mkscan.sh $(FLEX_EXEC) $(FLEX_FLAGS) $(COMPRESSION) $(srcdir)/scan.l >scan.c ++ grep . $@ || cp initscan.c scan.c + + scan$o: scan.c parse.h flexdef.h config.h + yylex$o: yylex.c parse.h flexdef.h config.h +@@ -259,8 +255,8 @@ clean :: mostlyclean + $(FLEXLIB) config.log config.cache + + distclean :: clean +- rm -f .bootstrap $(FLEX) scan.c tags TAGS Makefile man2html.tmp \ +- config.status config.h stamp-h config.log config.cache ++ rm -f $(FLEX) scan.c tags TAGS Makefile man2html.tmp config.status \ ++ config.h stamp-h config.log config.cache + + maintainer-clean: distclean + @echo "This command is intended for maintainers to use;" +-- +2.39.1 + + |