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# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved. This file is offered as-is,
# without any warranty.
# The package path prefix, if you want to install to another root, set DESTDIR to that root.
PREFIX ?= /usr
# The library path excluding prefix.
LIB ?= /lib
# The resource path excluding prefix.
DATA ?= /share
# The library path including prefix.
LIBDIR ?= $(PREFIX)$(LIB)
# The resource path including prefix.
DATADIR ?= $(PREFIX)$(DATA)
# The generic documentation path including prefix.
DOCDIR ?= $(DATADIR)/doc
# The info manual documentation path including prefix.
INFODIR ?= $(DATADIR)/info
# The license base path including prefix.
LICENSEDIR ?= $(DATADIR)/licenses
# The name of the package as it should be installed.
PKGNAME ?= libgamma
# Optimisation level (and debug flags.)
ifeq ($(DEBUG),y)
OPTIMISE = -Og -g
else
OPTIMISE = -Ofast
endif
# Enabled warnings.
WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self \
-Wmissing-include-dirs -Wtrampolines -Wfloat-equal -Wshadow \
-Wmissing-prototypes -Wmissing-declarations -Wredundant-decls \
-Wnested-externs -Winline -Wno-variadic-macros -Wsign-conversion \
-Wswitch-default -Wconversion -Wsync-nand -Wunsafe-loop-optimizations \
-Wcast-align -Wstrict-overflow -Wdeclaration-after-statement -Wundef \
-Wbad-function-cast -Wcast-qual -Wwrite-strings -Wlogical-op \
-Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wpacked \
-Wvector-operation-performance -Wunsuffixed-float-constants \
-Wsuggest-attribute=const -Wsuggest-attribute=noreturn \
-Wsuggest-attribute=pure -Wsuggest-attribute=format -Wnormalized=nfkc
# The C standard used in the code.
STD = c99
# C compiler debug flags.
DEBUG_FLAGS =
ifeq ($(DEBUG),y)
DEBUG_FLAGS += -D'DEBUG'
endif
# Options for the C compiler.
C_FLAGS = $(OPTIMISE) $(WARN) -std=$(STD) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) \
-ftree-vrp -fstrict-aliasing -fipa-pure-const -fstack-usage \
-fstrict-overflow -funsafe-loop-optimizations -fno-builtin \
$(DEBUG_FLAGS) $(DEFINITIONS) -DLIBGAMMA_CONFIG_H
# Object files for the library.
LIBOBJ = libgamma-facade gamma-helper
# Include configurations from `./configure`.
include config.mk
# Build rules.
.PHONY: all
all: bin/libgamma.so
bin/libgamma.so: $(foreach O,$(LIBOBJ),obj/$(O).o)
mkdir -p $(shell dirname $@)
$(CC) $(C_FLAGS) -shared -o $@ $^
obj/%.o: src/%.c src/*.h
mkdir -p $(shell dirname $@)
$(CC) $(C_FLAGS) -fPIC -c -o $@ $<
# Clean rules.
.PHONY: clean
clean:
-rm -rf obj bin config.mk
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