Merged OSX fixes from Siesh1oo with some modifications

Makefile

@@ -22,12 +22,23 @@ TARGETS = yosys yosys-config
 
 all: top-all
 
-CXXFLAGS = -Wall -Wextra -ggdb -I"$(shell pwd)" -MD -D_YOSYS_ -fPIC
-LDFLAGS = -rdynamic
-LDLIBS = -lstdc++ -lreadline -lm -ldl -lrt
+CXXFLAGS = -Wall -Wextra -ggdb -I"$(shell pwd)" -MD -D_YOSYS_ -fPIC -I${DESTDIR}/include
+LDFLAGS = -L${DESTDIR}/lib
+LDLIBS = -lstdc++ -lreadline -lm -ldl
 QMAKE = qmake-qt4
 SED = sed
 
+ifeq (Darwin,$(findstring Darwin,$(shell uname)))
+	# add macports include and library path to search directories, don't use '-rdynamic' and '-lrt':
+	CXXFLAGS += -I/opt/local/include
+	LDFLAGS += -L/opt/local/lib
+	QMAKE = qmake
+	SED = gsed
+else
+	LDFLAGS += -rdynamic
+	LDLIBS += -lrt
+endif
+
 YOSYS_VER := 0.2.0+
 GIT_REV := $(shell git rev-parse --short HEAD || echo UNKOWN)
 OBJS = kernel/version_$(GIT_REV).o
@@ -86,15 +97,17 @@ LDLIBS += $(patsubst %,$(VERIFIC_DIR)/%/*-linux.a,$(VERIFIC_COMPONENTS))
 endif
 
 OBJS += kernel/driver.o kernel/register.o kernel/rtlil.o kernel/log.o kernel/calc.o
+OBJS += kernel/compatibility.o
 
 OBJS += libs/bigint/BigIntegerAlgorithms.o libs/bigint/BigInteger.o libs/bigint/BigIntegerUtils.o
 OBJS += libs/bigint/BigUnsigned.o libs/bigint/BigUnsignedInABase.o
 
 OBJS += libs/sha1/sha1.o
 OBJS += libs/subcircuit/subcircuit.o
-OBJS += libs/ezsat/ezsat.o
 
+OBJS += libs/ezsat/ezsat.o
 OBJS += libs/ezsat/ezminisat.o
+
 OBJS += libs/minisat/Options.o
 OBJS += libs/minisat/SimpSolver.o
 OBJS += libs/minisat/Solver.o
@@ -121,7 +134,7 @@ yosys-config: yosys-config.in
 
 yosys-svgviewer: libs/svgviewer/*.h libs/svgviewer/*.cpp
 	cd libs/svgviewer && $(QMAKE) && make
-	cp libs/svgviewer/svgviewer yosys-svgviewer
+	cp `find libs/svgviewer -name svgviewer -type f` yosys-svgviewer
 
 abc/abc-$(ABCREV):
 ifneq ($(ABCREV),default)

backends/ilang/ilang_backend.cc

@@ -23,6 +23,7 @@
  */
 
 #include "ilang_backend.h"
+#include "kernel/compatibility.h"
 #include "kernel/register.h"
 #include "kernel/log.h"
 #include <string>

frontends/verilog/verilog_frontend.cc

@@ -27,6 +27,7 @@
  */
 
 #include "verilog_frontend.h"
+#include "kernel/compatibility.h"
 #include "kernel/register.h"
 #include "kernel/log.h"
 #include "libs/sha1/sha1.h"

kernel/compatibility.cc

@@ -0,0 +1,135 @@
+/*
+ *  yosys -- Yosys Open SYnthesis Suite
+ *
+ *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
+ *  
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+/**
+ *  POSIX.2008 fake implementation for pre-POSIX.2008 systems. (OSX, BSD, MINGW, CYGWIN, older Linux &c.)
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#if !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L)
+
+typedef struct memstream {
+	off_t pos;
+	off_t size;
+	char * buffer;
+	char ** bufp;
+	size_t * sizep;
+	bool realloc;
+} memstream_t;
+
+static int memstream_read (void * cookie, char * buf, int size)
+{
+	memstream_t * mem = (memstream_t *) cookie;
+	off_t available = mem->size - mem->pos;
+	if (available < 0)
+		available = 0;
+	if (size > available)
+		size = available;
+	memcpy(buf, mem->buffer + mem->pos, size);
+	mem->pos += size;
+	return size;
+}
+
+static int memstream_write (void * cookie, const char * buf, int size)
+{
+	memstream_t * mem = (memstream_t *) cookie;
+	off_t available = mem->size - mem->pos;
+	if (size > available) {
+		if (mem->realloc) {
+			mem->buffer = (char *) realloc(mem->buffer, mem->pos + size + 1);
+			memset(mem->buffer + mem->size, 0, mem->pos + size + 1 - mem->size);
+			mem->size = mem->pos + size;
+			if (mem->bufp)
+				*(mem->bufp) = mem->buffer;
+			if (mem->sizep)
+				*(mem->sizep) = mem->size;
+		} else {
+			size = available;
+		}
+	}
+	memcpy(mem->buffer + mem->pos, buf, sizeof(char) * size);
+	mem->pos += size;
+	return size;
+}
+
+static fpos_t memstream_seek (void * cookie, fpos_t offset, int whence)
+{
+	memstream_t * mem = (memstream_t *) cookie;
+	switch (whence) {
+	case SEEK_SET:
+		if (offset < 0)
+			goto error_inval;
+		mem->pos = offset;
+		return 0;
+	case SEEK_CUR:
+		if (mem->pos + offset < 0)
+			goto error_inval;
+		mem->pos += offset;
+		return 0;
+	case SEEK_END:
+		if (mem->size + offset < 0)
+			goto error_inval;
+		mem->pos = mem->size + offset;
+		break;
+	default:
+		goto error_inval;
+	}
+	return mem->pos;
+error_inval:
+	errno = EINVAL;
+	return -1;
+}
+
+static int memstream_close (void * cookie)
+{
+	memstream_t * mem = (memstream_t *) cookie;
+	if (mem->bufp)
+		*(mem->bufp) = mem->buffer;
+	if (mem->sizep)
+		*(mem->sizep) = mem->size;
+	free(cookie);
+	return 0;
+}
+
+FILE * compat_fmemopen (void * buf, size_t size, const char * mode)
+{
+	memstream_t * mem = (memstream_t *) malloc(sizeof(memstream_t));
+	memset(mem, 0, sizeof(memstream_t));
+	mem->size = size;
+	mem->buffer = (char *) buf;
+	(void) mode;
+	return funopen(mem, memstream_read, memstream_write, memstream_seek, memstream_close);
+}
+
+FILE * compat_open_memstream (char ** bufp, size_t * sizep)
+{
+	memstream_t * mem = (memstream_t *) malloc(sizeof(memstream_t));
+	memset(mem, 0, sizeof(memstream_t));
+	mem->bufp = bufp;
+	mem->sizep = sizep;
+	mem->realloc = true;
+	return funopen(mem, memstream_read, memstream_write, memstream_seek, memstream_close);
+}
+
+#endif /* !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L) */
+

kernel/compatibility.h

@@ -0,0 +1,36 @@
+/*
+ *  yosys -- Yosys Open SYnthesis Suite
+ *
+ *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
+ *  
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifndef COMPATIBILITY_H
+#define COMPATIBILITY_H
+
+#if !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L)
+#include <stdio.h>
+#include <stdlib.h>
+
+#define open_memstream compat_open_memstream
+#define fmemopen compat_fmemopen
+
+FILE * compat_open_memstream (char ** bufp, size_t * sizep);
+FILE * compat_fmemopen (void * buf, size_t size, const char * mode);
+
+#endif /* !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L) */
+
+#endif /* COMPATIBILITY_H */
+

kernel/log.cc

@@ -18,6 +18,7 @@
  */
 
 #include "kernel/log.h"
+#include "kernel/compatibility.h"
 #include "backends/ilang/ilang_backend.h"
 
 #include <sys/time.h>

kernel/register.cc

@@ -17,8 +17,9 @@
  *
  */
 
-#include "register.h"
-#include "log.h"
+#include "kernel/compatibility.h"
+#include "kernel/register.h"
+#include "kernel/log.h"
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>

kernel/rtlil.cc

@@ -17,6 +17,7 @@
  *
  */
 
+#include "kernel/compatibility.h"
 #include "kernel/rtlil.h"
 #include "kernel/log.h"
 #include "frontends/verilog/verilog_frontend.h"

libs/svgviewer/.gitignore

@@ -3,3 +3,4 @@ moc_mainwindow.cpp
 moc_svgview.cpp
 qrc_svgviewer.cpp
 svgviewer
+svgviewer.app

passes/techmap/techmap.cc

@@ -17,6 +17,7 @@
  *
  */
 
+#include "kernel/compatibility.h"
 #include "kernel/register.h"
 #include "kernel/sigtools.h"
 #include "kernel/log.h"