From 0acc9e35031111b80f283f628ead0c17cfe09bb9 Mon Sep 17 00:00:00 2001
From: Qianqian Fang <fangqq@gmail.com>
Date: Sat, 3 Jun 2023 23:10:47 -0400
Subject: [PATCH] allow using HAVE_ZLIB/HAVE_LZ4/HAVE_ZSTD=yes/no with make

---
 src/Makefile              | 21 ++++++++++++++++-----
 src/blosc2/Makefile       |  1 +
 src/blosc2/blosc/Makefile | 14 +++++++++++++-
 src/miniz/zlib.h          |  1 +
 4 files changed, 31 insertions(+), 6 deletions(-)
 create mode 120000 src/miniz/zlib.h

diff --git a/src/Makefile b/src/Makefile
index 88c0ddd..7386549 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -11,10 +11,14 @@ ZMATDIR ?=$(ROOTDIR)
 LIBDIR  ?=$(ROOTDIR)/lib
 
 MKDIR      :=mkdir
+HAVE_ZLIB  ?=yes
 HAVE_LZMA  ?=yes
 HAVE_LZ4   ?=yes
 HAVE_ZSTD  ?=yes
 HAVE_BLOSC2?=yes
+LIBZLIB    =-lz
+
+export HAVE_ZLIB HAVE_LZ4 HAVE_ZSTD
 
 MEX?=mex
 AR=$(CC)
@@ -61,6 +65,13 @@ else
   endif
 endif
 
+ifeq ($(HAVE_ZLIB),no)
+  CFLAGS+=-DNO_ZLIB
+  INCLUDEDIRS+=-Iminiz
+  FILES+=miniz/miniz
+  LIBZLIB=
+endif
+
 ifeq ($(HAVE_LZMA),no)
   CFLAGS+=-DNO_LZMA
 else
@@ -83,7 +94,7 @@ else
     INCLUDEDIRS+=-Iblosc2/internal-complibs/zstd-1.5.2
     LINKOPT+=-Lblosc2/internal-complibs/zstd-1.5.2 -lzstd
   endif
-  LINKOPT+=-Lblosc2/lib -lblosc2 -Lblosc2/internal-complibs/zstd-1.5.2 -lzstd -lz
+  LINKOPT+=-Lblosc2/lib -lblosc2 -Lblosc2/internal-complibs/zstd-1.5.2 -lzstd $(LIBZLIB)
   INCLUDEDIRS+=-Iblosc2/include
 endif
 
@@ -119,12 +130,12 @@ ifeq ($(MAKECMDGOALS),dll)
    OUTPUTFLAG :=-o
    BINARY     :=libzmat.so.1
    OUTPUT_DIR :=$(LIBDIR)
-   LINKOPT    +=-lz
+   LINKOPT    +=$(LIBZLIB)
 
    ifeq ($(findstring Darwin,$(PLATFORM)), Darwin)
-      ARFLAGS    :=-shared -Wl,-install_name,$(BINARY) -lz
+      ARFLAGS    :=-shared -Wl,-install_name,$(BINARY) $(LIBZLIB)
    else
-      ARFLAGS    :=-shared -Wl,-soname,$(BINARY) -lz
+      ARFLAGS    :=-shared -Wl,-soname,$(BINARY) $(LIBZLIB)
    endif
 endif
 
@@ -143,7 +154,7 @@ oct:   LINKOPT+=--mex $(INCLUDEDIRS)
 mex:   CXX=$(MEX)
 mex:   OUTPUTFLAG:=-output
 mex:   AR=$(MEX) zmat.cpp $(INCLUDEDIRS)
-mex:   LINKOPT+= -cxx CXXLIBS='$$CXXLIBS -lz -static-libgcc -static-libstdc++' -outdir $(ZMATDIR)
+mex:   LINKOPT+= -cxx CXXLIBS='$$CXXLIBS $(LIBZLIB) -static-libgcc -static-libstdc++' -outdir $(ZMATDIR)
 mex:   ARFLAGS    :=
 mex:   OUTPUT_DIR=..
 
diff --git a/src/blosc2/Makefile b/src/blosc2/Makefile
index d8531db..f3d4f0a 100644
--- a/src/blosc2/Makefile
+++ b/src/blosc2/Makefile
@@ -6,6 +6,7 @@ BLOSC_SRC=blosc
 ZSTD_SRC=internal-complibs/zstd-1.5.2
 LIBBLOSC2=$(BLOSC_SRC)/lib/libblosc2.a
 
+export
 
 all: lib zstd
 
diff --git a/src/blosc2/blosc/Makefile b/src/blosc2/blosc/Makefile
index 2a36fb3..1106d53 100644
--- a/src/blosc2/blosc/Makefile
+++ b/src/blosc2/blosc/Makefile
@@ -32,7 +32,19 @@ PLATFORM = $(shell uname -s)
 
 DLLFLAG=-fPIC
 
-CPPOPT=-g -Wall -Wextra -O3 -msse2 -DHAVE_ZSTD -DHAVE_ZLIB -DHAVE_LZ4 -DNDEBUG $(DLLFLAG) -std=gnu99 #-g -Wall -std=c99 # -DUSE_OS_TIMER
+CPPOPT=-g -Wall -Wextra -O3 -msse2 -DNDEBUG $(DLLFLAG) -std=gnu99 #-g -Wall -std=c99 # -DUSE_OS_TIMER
+
+ifeq ($(HAVE_ZLIB),yes)
+  CPPOPT+=-DHAVE_ZLIB
+endif
+
+ifeq ($(HAVE_ZSTD),yes)
+  CPPOPT+=-DHAVE_ZSTD
+endif
+
+ifeq ($(HAVE_LZ4),yes)
+  CPPOPT+=-DHAVE_LZ4
+endif
 
 OUTPUTFLAG:=-o
 OBJSUFFIX=.o
diff --git a/src/miniz/zlib.h b/src/miniz/zlib.h
new file mode 120000
index 0000000..f58ce50
--- /dev/null
+++ b/src/miniz/zlib.h
@@ -0,0 +1 @@
+miniz.h
\ No newline at end of file