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84 lines
2.3 KiB
Text
84 lines
2.3 KiB
Text
Based on https://github.com/nayuki/QR-Code-generator/pull/72
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--- c/Makefile.orig 2023-01-16 09:13:33 UTC
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+++ c/Makefile
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@@ -29,11 +29,13 @@
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# - CFLAGS: Any extra user-specified compiler flags (can be blank).
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# Recommended compiler flags:
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-CFLAGS += -std=c99 -O
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+CFLAGS ?= -std=c99 -O
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# Extra flags for diagnostics:
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# CFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
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+# Version information
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+VERSION = %%VERSION%%
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# ---- Controlling make ----
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@@ -52,17 +54,44 @@ CFLAGS += -std=c99 -O
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LIB = qrcodegen
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-LIBFILE = lib$(LIB).a
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+ARFILE = lib$(LIB).a
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+LIBFILE = lib$(LIB).so
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+# Bump the soname number when the ABI changes and gets incompatible
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+SO_NAME = $(LIBFILE).1
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+REAL_NAME = $(LIBFILE).$(VERSION)
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+HEADERS = qrcodegen.h
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LIBOBJ = qrcodegen.o
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MAINS = qrcodegen-demo qrcodegen-test
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+# define paths to install
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+INCLUDEDIR ?= $(DESTDIR)/usr/include/qrcodegen
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+LIBDIR ?= $(DESTDIR)/usr/lib
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+
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# Build all binaries
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-all: $(LIBFILE) $(MAINS)
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+all: $(LIBFILE) $(ARFILE) $(MAINS)
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# Delete build output
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clean:
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- rm -f -- $(LIBOBJ) $(LIBFILE) $(MAINS:=.o) $(MAINS)
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+ rm -f -- $(LIBOBJ) $(LIBFILE) $(ARFILE) $(MAINS:=.o) $(MAINS)
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rm -rf .deps
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+install-shared: $(LIBFILE)
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+ install -d $(LIBDIR) || true
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+ install -m 0644 $(LIBFILE) $(LIBDIR)/$(REAL_NAME)
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+ rm -f $(LIBDIR)/$(SO_NAME)
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+ ln -s $(REAL_NAME) $(LIBDIR)/$(SO_NAME)
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+ rm -f $(LIBDIR)/$(LIBFILE)
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+ ln -s $(SO_NAME) $(LIBDIR)/$(LIBFILE)
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+
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+install-static: $(ARFILE)
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+ install -d $(LIBDIR) || true
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+ install -m 0644 $(ARFILE) $(LIBDIR)/$(ARFILE)
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+
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+install-header: $(HEADERS)
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+ install -d $(INCLUDEDIR) || true
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+ install -m 0644 $(HEADERS) $(INCLUDEDIR)/
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+
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+install: install-shared install-static install-header
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+
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# Executable files
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%: %.o $(LIBFILE)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L . -l $(LIB)
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@@ -72,12 +101,15 @@ qrcodegen-test: qrcodegen-test.c $(LIBOBJ:%.o=%.c)
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$(CC) $(CFLAGS) $(LDFLAGS) -DQRCODEGEN_TEST -o $@ $^
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# The library
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-$(LIBFILE): $(LIBOBJ)
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+$(ARFILE): $(LIBOBJ)
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$(AR) -crs $@ -- $^
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+$(LIBFILE): $(LIBOBJ)
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+ $(CC) -shared -Wl,-soname,$(SO_NAME) $(LDFLAGS) -o $@ $^
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+
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# Object files
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%.o: %.c .deps/timestamp
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- $(CC) $(CFLAGS) -c -o $@ -MMD -MF .deps/$*.d $<
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+ $(CC) $(CFLAGS) -fPIC -c -o $@ -MMD -MF .deps/$*.d $<
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# Have a place to store header dependencies automatically generated by compiler
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.deps/timestamp:
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