From 5a48ed4d5cdb820cd96ce371b3e303bc5b3b3c85 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 8 Dec 2018 11:22:50 -0800
Subject: [PATCH] Fixed bug 4379 - fix parallel build with slibtool

orbea

I am having a parallel build problem with -j3 or higher using the autotools build and slibtool instead of GNU libtool. Basically slibtool is faster than GNU libtool and it will start working before mkdir starts or finishes creating the build/ directory.
---
 Makefile.in  | 7 ++++---
 configure    | 6 +++---
 configure.in | 6 +++---
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 4eb6e6323..c4710561c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -125,7 +125,7 @@ LT_RELEASE  = @LT_RELEASE@
 LT_REVISION = @LT_REVISION@
 LT_LDFLAGS  = -no-undefined -rpath $(libdir) -release $(LT_RELEASE) -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)
 
-all: $(srcdir)/configure Makefile $(objects) $(objects)/$(TARGET) $(objects)/$(SDLMAIN_TARGET) $(objects)/$(SDLTEST_TARGET)
+all: $(srcdir)/configure Makefile $(objects)/$(TARGET) $(objects)/$(SDLMAIN_TARGET) $(objects)/$(SDLTEST_TARGET)
 
 $(srcdir)/configure: $(srcdir)/configure.in
 	@echo "Warning, configure is out of date, please re-run autogen.sh"
@@ -135,8 +135,9 @@ Makefile: $(srcdir)/Makefile.in
 
 Makefile.in:;
 
-$(objects):
-	$(SHELL) $(auxdir)/mkinstalldirs $@
+$(objects)/.created:
+	$(SHELL) $(auxdir)/mkinstalldirs $(objects)
+	touch $@
 
 update-revision:
 	$(SHELL) $(auxdir)/updaterev.sh
diff --git a/configure b/configure
index e4f8e924e..7d48ed6a1 100755
--- a/configure
+++ b/configure
@@ -24868,7 +24868,7 @@ DEPENDS=`echo $SOURCES | tr ' ' '\n'`
 for EXT in asm cc m c S; do
     OBJECTS=`echo "$OBJECTS" | sed 's,[^ ]*/\([^ ]*\)\.'$EXT',$(objects)/\1.lo,g'`
     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([^ ]*\\)/\\([^ ]*\\)\\.$EXT\\$,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
+\\$(objects)/\\2.lo: \\1/\\2.$EXT \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 done
 
@@ -24885,14 +24885,14 @@ SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[^ ]*/\([^ ]*\)\.c,$(objects)/\1.lo,g'`
 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([^ ]*\\)/\\([^ ]*\\)\\.c,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.c\\\\
+\\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 
 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[^ ]*/\([^ ]*\)\.c,$(objects)/\1.lo,g'`
 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([^ ]*\\)/\\([^ ]*\\)\\.c,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.c\\\\
+\\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 
 # Set runtime shared library paths as needed
diff --git a/configure.in b/configure.in
index 95bef6269..39b790b32 100644
--- a/configure.in
+++ b/configure.in
@@ -4073,7 +4073,7 @@ DEPENDS=`echo $SOURCES | tr ' ' '\n'`
 for EXT in asm cc m c S; do
     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
+\\$(objects)/\\2.lo: \\1/\\2.$EXT \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 done
 
@@ -4090,14 +4090,14 @@ SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.c\\\\
+\\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 
 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
-\\$(objects)/\\2.lo: \\1/\\2.c\\\\
+\\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\
 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
 
 # Set runtime shared library paths as needed