erts: Fix parallel make for emulator zlib

Convert the recursive make for zlib into a make include file.

1 files changed, 74 insertions, 0 deletions

diff --git a/erts/emulator/zlib/zlib.mk b/erts/emulator/zlib/zlib.mk
new file mode 100644
index 0000000000..fa1f159fae
--- /dev/null
+++ b/erts/emulator/zlib/zlib.mk
@@ -0,0 +1,74 @@
+#-*-makefile-*-   ; force emacs to enter makefile-mode
+# ----------------------------------------------------
+# Make include file for zlib
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2011-2012. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
+# Version 1.1, (the "License"); you may not use this file except in
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+# ----------------------------------------------------
+# Copyright for zlib itself see copyright notice in zlib.h
+
+ZLIB_FILES = \
+	adler32 \
+	compress \
+	crc32 \
+	uncompr \
+	deflate \
+	trees \
+	zutil \
+	inflate \
+	inftrees \
+	inffast
+
+# On windows we *need* a separate zlib during debug build
+ZLIB_OBJDIR = $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)
+
+ZLIB_OBJS = $(ZLIB_FILES:%=$(ZLIB_OBJDIR)/%.o)
+ZLIB_SRC = $(ZLIB_FILES:%=zlib/%.c)
+
+ifeq ($(TARGET), win32)
+ZLIB_LIBRARY = $(ZLIB_OBJDIR)/z.lib
+else
+ZLIB_LIBRARY = $(ZLIB_OBJDIR)/libz.a
+endif
+
+
+ifeq ($(TYPE),gcov)
+ZLIB_CFLAGS = -O0 -fprofile-arcs -ftest-coverage $(DEBUG_CFLAGS) $(DEFS) $(THR_DEFS)
+else  # gcov
+ifeq ($(TYPE),debug)
+ZLIB_CFLAGS = $(DEBUG_CFLAGS) $(DEFS) $(THR_DEFS)
+else # debug
+ZLIB_CFLAGS = $(subst -O2, -O3, $(CONFIGURE_CFLAGS) $(DEFS) $(THR_DEFS))
+#ZLIB_CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
+#ZLIB_CFLAGS=-g -DDEBUG
+#ZLIB_CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
+#	-Wstrict-prototypes -Wmissing-prototypes
+endif # debug
+endif # gcov
+
+ifeq ($(TARGET), win32)
+$(ZLIB_LIBRARY): $(ZLIB_OBJS)
+	$(AR) -out:$@ $(ZLIB_OBJS)
+else
+$(ZLIB_LIBRARY): $(ZLIB_OBJS)
+	$(AR) $(ARFLAGS) $@ $(ZLIB_OBJS)
+	-@ ($(RANLIB) $@ || true) 2>/dev/null
+endif
+
+$(ZLIB_OBJDIR)/%.o: zlib/%.c
+	$(CC) -c $(ZLIB_CFLAGS) -o $@ $<