libucontext/Makefile

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Makefile
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ARCH := $(shell uname -m)
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ifeq ($(ARCH),$(filter $(ARCH),i386 i686))
override ARCH = x86
endif
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LIBDIR := /lib
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CFLAGS := -ggdb3 -O2 -Wall
CPPFLAGS := -Iarch/${ARCH} -Iarch/common
EXPORT_UNPREFIXED := yes
FREESTANDING := no
ifeq ($(FREESTANDING),yes)
CFLAGS += -DFREESTANDING -isystem arch/${ARCH}/freestanding
EXPORT_UNPREFIXED = no
endif
ifeq ($(EXPORT_UNPREFIXED),yes)
CFLAGS += -DEXPORT_UNPREFIXED
endif
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LIBUCONTEXT_C_SRC = $(wildcard arch/${ARCH}/*.c)
LIBUCONTEXT_S_SRC = $(wildcard arch/${ARCH}/*.S)
LIBUCONTEXT_OBJ = ${LIBUCONTEXT_C_SRC:.c=.o} ${LIBUCONTEXT_S_SRC:.S=.o}
LIBUCONTEXT_SOVERSION = 0
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LIBUCONTEXT_NAME = libucontext.so
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LIBUCONTEXT_STATIC_NAME = libucontext.a
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LIBUCONTEXT_SONAME = libucontext.so.${LIBUCONTEXT_SOVERSION}
LIBUCONTEXT_PATH = ${LIBDIR}/${LIBUCONTEXT_SONAME}
LIBUCONTEXT_STATIC_PATH = ${LIBDIR}/${LIBUCONTEXT_STATIC_NAME}
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all: ${LIBUCONTEXT_SONAME} ${LIBUCONTEXT_STATIC_NAME}
${LIBUCONTEXT_STATIC_NAME}: ${LIBUCONTEXT_OBJ}
$(AR) rcs ${LIBUCONTEXT_STATIC_NAME} ${LIBUCONTEXT_OBJ}
${LIBUCONTEXT_NAME}: ${LIBUCONTEXT_OBJ}
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$(CC) -o ${LIBUCONTEXT_NAME} -Wl,-soname,${LIBUCONTEXT_SONAME} \
-shared ${LIBUCONTEXT_OBJ} ${LDFLAGS}
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${LIBUCONTEXT_SONAME}: ${LIBUCONTEXT_NAME}
ln -sf ${LIBUCONTEXT_NAME} ${LIBUCONTEXT_SONAME}
.c.o:
$(CC) -std=c99 -D_BSD_SOURCE -fPIC -DPIC ${CFLAGS} ${CPPFLAGS} -c -o $@ $<
.S.o:
$(CC) -fPIC -DPIC ${CFLAGS} ${CPPFLAGS} -c -o $@ $<
clean:
rm -f ${LIBUCONTEXT_NAME} ${LIBUCONTEXT_SONAME} ${LIBUCONTEXT_STATIC_NAME} \
${LIBUCONTEXT_OBJ} test_libucontext
install: all
install -D -m755 ${LIBUCONTEXT_NAME} ${DESTDIR}${LIBUCONTEXT_PATH}
install -D -m664 ${LIBUCONTEXT_STATIC_NAME} ${DESTDIR}${LIBUCONTEXT_STATIC_PATH}
ln -sf ${LIBUCONTEXT_SONAME} ${DESTDIR}${LIBDIR}/${LIBUCONTEXT_NAME}
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check: test_libucontext ${LIBUCONTEXT_SONAME}
env LD_LIBRARY_PATH=$(shell pwd) ./test_libucontext
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test_libucontext: test_libucontext.c ${LIBUCONTEXT_NAME}
$(CC) -std=c99 -D_BSD_SOURCE ${CFLAGS} ${CPPFLAGS} $@.c -o $@ -L. -lucontext
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.PHONY: check