Make the library installable. Patch copied from pull request:
https://github.com/nayuki/QR-Code-generator/pull/72
From 1625fc1665e1f83eb73c0f5670dcfda96dc0b3e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 3 Dec 2019 11:57:24 +0100
Subject: [PATCH 1/7] Do not append to C/XX/FLAGS but just set them if not
defined already
---
c/Makefile | 2 +-
cpp/Makefile | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/c/Makefile b/c/Makefile
index fd0c367..b27449c 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -29,7 +29,7 @@
# - CFLAGS: Any extra user-specified compiler flags (can be blank).
# Recommended compiler flags:
-CFLAGS += -std=c99 -O
+CFLAGS ?= -std=c99 -O
# Extra flags for diagnostics:
# CFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
diff --git a/cpp/Makefile b/cpp/Makefile
index f83c512..666f976 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -29,7 +29,7 @@
# - CXXFLAGS: Any extra user-specified compiler flags (can be blank).
# Recommended compiler flags:
-CXXFLAGS += -std=c++11 -O
+CXXFLAGS ?= -std=c++11 -O
# Extra flags for diagnostics:
# CXXFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
From 2e496a0f59d5c6782c1e3e2a3ca36d0272b384f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 3 Dec 2019 11:59:59 +0100
Subject: [PATCH 2/7] Make use of -fPIC parameter when building'
---
c/Makefile | 2 +-
cpp/Makefile | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/c/Makefile b/c/Makefile
index b27449c..bf79462 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -77,7 +77,7 @@ $(LIBFILE): $(LIBOBJ)
# Object files
%.o: %.c .deps/timestamp
- $(CC) $(CFLAGS) -c -o $@ -MMD -MF .deps/$*.d $<
+ $(CC) $(CFLAGS) -fPIC -c -o $@ -MMD -MF .deps/$*.d $<
# Have a place to store header dependencies automatically generated by compiler
.deps/timestamp:
diff --git a/cpp/Makefile b/cpp/Makefile
index 666f976..f37cf66 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -73,7 +73,7 @@ $(LIBFILE): $(LIBOBJ)
# Object files
%.o: %.cpp .deps/timestamp
- $(CXX) $(CXXFLAGS) -c -o $@ -MMD -MF .deps/$*.d $<
+ $(CXX) $(CXXFLAGS) -fPIC -c -o $@ -MMD -MF .deps/$*.d $<
# Have a place to store header dependencies automatically generated by compiler
.deps/timestamp:
From 29489faaa5a3b014c5c2d95ca34033df470de73c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 3 Dec 2019 12:07:19 +0100
Subject: [PATCH 3/7] Generate both shared and static libraries
---
c/Makefile | 14 ++++++++++----
cpp/Makefile | 14 ++++++++++----
2 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/c/Makefile b/c/Makefile
index bf79462..38eda2d 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -51,16 +51,19 @@ CFLAGS ?= -std=c99 -O
# ---- Targets to build ----
LIB = qrcodegen
-LIBFILE = lib$(LIB).a
+ARFILE = lib$(LIB).a
+LIBFILE = lib$(LIB).so
+# Bump the soname number when the ABI changes and gets incompatible
+SO_NAME = $(LIBFILE).1
LIBOBJ = qrcodegen.o
MAINS = qrcodegen-demo qrcodegen-test qrcodegen-worker
# Build all binaries
-all: $(LIBFILE) $(MAINS)
+all: $(LIBFILE) $(ARFILE) $(MAINS)
# Delete build output
clean:
- rm -f -- $(LIBOBJ) $(LIBFILE) $(MAINS:=.o) $(MAINS)
+ rm -f -- $(LIBOBJ) $(LIBFILE) $(ARFILE) $(MAINS:=.o) $(MAINS)
rm -rf .deps
# Executable files
@@ -72,9 +75,12 @@ qrcodegen-test: qrcodegen-test.c $(LIBOBJ:%.o=%.c)
$(CC) $(CFLAGS) -DQRCODEGEN_TEST -o $@ $^
# The library
-$(LIBFILE): $(LIBOBJ)
+$(ARFILE): $(LIBOBJ)
$(AR) -crs $@ -- $^
+$(LIBFILE): $(LIBOBJ)
+ $(CC) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
+
# Object files
%.o: %.c .deps/timestamp
$(CC) $(CFLAGS) -fPIC -c -o $@ -MMD -MF .deps/$*.d $<
diff --git a/cpp/Makefile b/cpp/Makefile
index f37cf66..606cdad 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -51,16 +51,19 @@ CXXFLAGS ?= -std=c++11 -O
# ---- Targets to build ----
LIB = qrcodegen
-LIBFILE = lib$(LIB).a
+ARFILE = lib$(LIB).a
+LIBFILE = lib$(LIB).so
+# Bump the soname number when the ABI changes and gets incompatible
+SO_NAME = $(LIBFILE).1
LIBOBJ = QrCode.o
MAINS = QrCodeGeneratorDemo QrCodeGeneratorWorker
# Build all binaries
-all: $(LIBFILE) $(MAINS)
+all: $(LIBFILE) $(ARFILE) $(MAINS)
# Delete build output
clean:
- rm -f -- $(LIBOBJ) $(LIBFILE) $(MAINS:=.o) $(MAINS)
+ rm -f -- $(LIBOBJ) $(LIBFILE) $(ARFILE) $(MAINS:=.o) $(MAINS)
rm -rf .deps
# Executable files
@@ -68,9 +71,12 @@ clean:
$(CXX) $(CXXFLAGS) -o $@ $< -L . -l $(LIB)
# The library
-$(LIBFILE): $(LIBOBJ)
+$(ARFILE): $(LIBOBJ)
$(AR) -crs $@ -- $^
+$(LIBFILE): $(LIBOBJ)
+ $(CC) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
+
# Object files
%.o: %.cpp .deps/timestamp
$(CXX) $(CXXFLAGS) -fPIC -c -o $@ -MMD -MF .deps/$*.d $<
From 064f38d6a8dc0a457728a47ee4ca1e927e46d5ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 3 Dec 2019 12:45:34 +0100
Subject: [PATCH 4/7] Create install targets for C and CPP
---
c/Makefile | 26 ++++++++++++++++++++++++++
cpp/Makefile | 27 +++++++++++++++++++++++++++
2 files changed, 53 insertions(+)
diff --git a/c/Makefile b/c/Makefile
index 38eda2d..7521944 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -34,6 +34,8 @@ CFLAGS ?= -std=c99 -O
# Extra flags for diagnostics:
# CFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
+# Version information
+VERSION = 1.5.0
# ---- Controlling make ----
@@ -55,9 +57,15 @@ ARFILE = lib$(LIB).a
LIBFILE = lib$(LIB).so
# Bump the soname number when the ABI changes and gets incompatible
SO_NAME = $(LIBFILE).1
+REAL_NAME = $(LIBFILE).$(VERSION)
+HEADERS = qrcodegen.h
LIBOBJ = qrcodegen.o
MAINS = qrcodegen-demo qrcodegen-test qrcodegen-worker
+# define paths to install
+INCLUDEDIR ?= $(DESTDIR)/usr/include/qrcodegen
+LIBDIR ?= $(DESTDIR)/usr/lib
+
# Build all binaries
all: $(LIBFILE) $(ARFILE) $(MAINS)
@@ -66,6 +74,24 @@ clean:
rm -f -- $(LIBOBJ) $(LIBFILE) $(ARFILE) $(MAINS:=.o) $(MAINS)
rm -rf .deps
+install-shared: $(LIBFILE)
+ install -d $(LIBDIR) || true
+ install -m 0644 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
+ rm -f $(LIBDIR)/$(SO_NAME)
+ ln -s $(REAL_NAME) $(LIBDIR)/$(SO_NAME)
+ rm -f $(LIBDIR)/$(LIBFILE)
+ ln -s $(SO_NAME) $(LIBDIR)/$(LIBFILE)
+
+install-static: $(ARFILE)
+ install -d $(LIBDIR) || true
+ install -m 0644 $(ARFILE) $(LIBDIR)/$(ARFILE)
+
+install-header: $(HEADERS)
+ install -d $(INCLUDEDIR) || true
+ install -m 0644 $(HEADERS) $(INCLUDEDIR)/
+
+install: install-shared install-static install-header
+
# Executable files
%: %.o $(LIBFILE)
$(CC) $(CFLAGS) -o $@ $< -L . -l $(LIB)
diff --git a/cpp/Makefile b/cpp/Makefile
index 606cdad..3271bd8 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -34,6 +34,8 @@ CXXFLAGS ?= -std=c++11 -O
# Extra flags for diagnostics:
# CXXFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
+# Version information
+VERSION = 1.5.0
# ---- Controlling make ----
@@ -55,9 +57,16 @@ ARFILE = lib$(LIB).a
LIBFILE = lib$(LIB).so
# Bump the soname number when the ABI changes and gets incompatible
SO_NAME = $(LIBFILE).1
+REAL_NAME = $(LIBFILE).$(VERSION)
+HEADERS = QrCode.hpp
LIBOBJ = QrCode.o
MAINS = QrCodeGeneratorDemo QrCodeGeneratorWorker
+# define paths to install
+INCLUDEDIR ?= $(DESTDIR)/usr/include/qrcodegen
+LIBDIR ?= $(DESTDIR)/usr/lib
+
+
# Build all binaries
all: $(LIBFILE) $(ARFILE) $(MAINS)
@@ -66,6 +75,24 @@ clean:
rm -f -- $(LIBOBJ) $(LIBFILE) $(ARFILE) $(MAINS:=.o) $(MAINS)
rm -rf .deps
+install-shared: $(LIBFILE)
+ install -d $(LIBDIR) || true
+ install -m 0644 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
+ rm -f $(LIBDIR)/$(SO_NAME)
+ ln -s $(REAL_NAME) $(LIBDIR)/$(SO_NAME)
+ rm -f $(LIBDIR)/$(LIBFILE)
+ ln -s $(SO_NAME) $(LIBDIR)/$(LIBFILE)
+
+install-static: $(ARFILE)
+ install -d $(LIBDIR) || true
+ install -m 0644 $(ARFILE) $(LIBDIR)/$(ARFILE)
+
+install-header: $(HEADERS)
+ install -d $(INCLUDEDIR) || true
+ install -m 0644 $(HEADERS) $(INCLUDEDIR)/
+
+install: install-shared install-static install-header
+
# Executable files
%: %.o $(LIBFILE)
$(CXX) $(CXXFLAGS) -o $@ $< -L . -l $(LIB)
From a635ff4654f94ab26b458c46a8841543e5bc8c67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 3 Dec 2019 12:50:39 +0100
Subject: [PATCH 5/7] Rename cpp library to qrcodegencpp to avoid conflict
---
cpp/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cpp/Makefile b/cpp/Makefile
index 3271bd8..42fa4ff 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -52,7 +52,7 @@ VERSION = 1.5.0
# ---- Targets to build ----
-LIB = qrcodegen
+LIB = qrcodegencpp
ARFILE = lib$(LIB).a
LIBFILE = lib$(LIB).so
# Bump the soname number when the ABI changes and gets incompatible
From c073e7dfad6454dfd725a69c347f8272d29ea41c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 7 Jan 2020 09:18:59 +0100
Subject: [PATCH 6/7] Add PREFIX variable and few minor fixes from code review
---
c/Makefile | 9 +++++----
cpp/Makefile | 9 +++++----
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/c/Makefile b/c/Makefile
index 7521944..874933e 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -29,7 +29,7 @@
# - CFLAGS: Any extra user-specified compiler flags (can be blank).
# Recommended compiler flags:
-CFLAGS ?= -std=c99 -O
+CFLAGS += -std=c99
# Extra flags for diagnostics:
# CFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
@@ -63,8 +63,9 @@ LIBOBJ = qrcodegen.o
MAINS = qrcodegen-demo qrcodegen-test qrcodegen-worker
# define paths to install
-INCLUDEDIR ?= $(DESTDIR)/usr/include/qrcodegen
-LIBDIR ?= $(DESTDIR)/usr/lib
+PREFIX ?= /usr/local
+INCLUDEDIR ?= $(DESTDIR)$(PREFIX)/include/qrcodegen
+LIBDIR ?= $(DESTDIR)$(PREFIX)/lib
# Build all binaries
all: $(LIBFILE) $(ARFILE) $(MAINS)
@@ -105,7 +106,7 @@ $(ARFILE): $(LIBOBJ)
$(AR) -crs $@ -- $^
$(LIBFILE): $(LIBOBJ)
- $(CC) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
+ $(CC) $(CFLAGS) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
# Object files
%.o: %.c .deps/timestamp
diff --git a/cpp/Makefile b/cpp/Makefile
index 42fa4ff..f8d9b7f 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -29,7 +29,7 @@
# - CXXFLAGS: Any extra user-specified compiler flags (can be blank).
# Recommended compiler flags:
-CXXFLAGS ?= -std=c++11 -O
+CXXFLAGS += -std=c++11
# Extra flags for diagnostics:
# CXXFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
@@ -63,8 +63,9 @@ LIBOBJ = QrCode.o
MAINS = QrCodeGeneratorDemo QrCodeGeneratorWorker
# define paths to install
-INCLUDEDIR ?= $(DESTDIR)/usr/include/qrcodegen
-LIBDIR ?= $(DESTDIR)/usr/lib
+PREFIX ?= /usr/local
+INCLUDEDIR ?= $(DESTDIR)$(PREFIX)/include/qrcodegen
+LIBDIR ?= $(DESTDIR)$(PREFIX)/lib
# Build all binaries
@@ -102,7 +103,7 @@ $(ARFILE): $(LIBOBJ)
$(AR) -crs $@ -- $^
$(LIBFILE): $(LIBOBJ)
- $(CC) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
+ $(CXX) $(CXXFLAGS) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
# Object files
%.o: %.cpp .deps/timestamp
From b43c1de5cc874535a7f549cef437f6849528e455 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
Date: Tue, 7 Jan 2020 13:12:32 +0100
Subject: [PATCH 7/7] Install static and shared library as an executable
---
c/Makefile | 4 ++--
cpp/Makefile | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/c/Makefile b/c/Makefile
index 874933e..631cc71 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -77,7 +77,7 @@ clean:
install-shared: $(LIBFILE)
install -d $(LIBDIR) || true
- install -m 0644 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
+ install -m 0755 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
rm -f $(LIBDIR)/$(SO_NAME)
ln -s $(REAL_NAME) $(LIBDIR)/$(SO_NAME)
rm -f $(LIBDIR)/$(LIBFILE)
@@ -85,7 +85,7 @@ install-shared: $(LIBFILE)
install-static: $(ARFILE)
install -d $(LIBDIR) || true
- install -m 0644 $(ARFILE) $(LIBDIR)/$(ARFILE)
+ install -m 0755 $(ARFILE) $(LIBDIR)/$(ARFILE)
install-header: $(HEADERS)
install -d $(INCLUDEDIR) || true
diff --git a/cpp/Makefile b/cpp/Makefile
index f8d9b7f..bbd861e 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -78,7 +78,7 @@ clean:
install-shared: $(LIBFILE)
install -d $(LIBDIR) || true
- install -m 0644 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
+ install -m 0755 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
rm -f $(LIBDIR)/$(SO_NAME)
ln -s $(REAL_NAME) $(LIBDIR)/$(SO_NAME)
rm -f $(LIBDIR)/$(LIBFILE)
@@ -86,7 +86,7 @@ install-shared: $(LIBFILE)
install-static: $(ARFILE)
install -d $(LIBDIR) || true
- install -m 0644 $(ARFILE) $(LIBDIR)/$(ARFILE)
+ install -m 0755 $(ARFILE) $(LIBDIR)/$(ARFILE)
install-header: $(HEADERS)
install -d $(INCLUDEDIR) || true
