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LIBGCOMPAT_INCLUDE = \
libgcompat/alias.h
LIBGCOMPAT_SRC = \
libgcompat/dlfcn.c \
libgcompat/error.c \
libgcompat/execinfo.c \
libgcompat/gnulib.c \
libgcompat/grp.c \
libgcompat/malloc.c \
libgcompat/math.c \
libgcompat/misc.c \
libgcompat/netdb.c \
libgcompat/pthread.c \
libgcompat/pwd.c \
libgcompat/readlink.c \
libgcompat/resolv.c \
libgcompat/resource.c \
libgcompat/setjmp.c \
libgcompat/signal.c \
libgcompat/socket.c \
libgcompat/stdio.c \
libgcompat/stdlib.c \
libgcompat/string.c \
libgcompat/sysctl.c \
libgcompat/syslog.c \
libgcompat/ucontext.c \
libgcompat/unistd.c \
libgcompat/utmp.c \
libgcompat/version.c \
libgcompat/wchar.c
LIBGCOMPAT_OBJ = ${LIBGCOMPAT_SRC:.c=.o}
LIBGCOMPAT_SOVERSION = 0
LIBGCOMPAT_NAME = libgcompat.so.${LIBGCOMPAT_SOVERSION}
LIBGCOMPAT_PATH = /lib/${LIBGCOMPAT_NAME}
LOADER_SRC = \
loader/loader.c
LOADER_OBJ = ${LOADER_SRC:.c=.o}
LOADER_NAME = ld-linux.so.2
LOADER_PATH = /lib/${LOADER_NAME}
all: ${LIBGCOMPAT_NAME} ${LOADER_NAME}
${LIBGCOMPAT_NAME}: ${LIBGCOMPAT_OBJ}
$(CC) -o ${LIBGCOMPAT_NAME} -Wl,-soname,${LIBGCOMPAT_NAME} \
-shared ${LIBGCOMPAT_OBJ}
${LIBGCOMPAT_OBJ}: ${LIBGCOMPAT_INCLUDE}
${LOADER_NAME}: ${LOADER_OBJ}
$(CC) -o ${LOADER_NAME} -fPIE -static ${LOADER_OBJ}
.c.o:
$(CC) -c -D_BSD_SOURCE -DLIBGCOMPAT=\"${LIBGCOMPAT_PATH}\" \
-DLINKER=\"${LINKER_PATH}\" -DLOADER=\"${LOADER_NAME}\" \
-fPIC -std=c99 -Wall -Wextra -Wno-frame-address \
-Wno-unused-parameter ${CFLAGS} ${CPPFLAGS} -o $@ $<
clean:
rm -f libgcompat/*.o loader/*.o ${LIBGCOMPAT_NAME} ${LOADER_NAME}
format:
clang-format -i ${LIBGCOMPAT_SRC} ${LOADER_SRC}
install: all
install -D -m755 ${LIBGCOMPAT_NAME} ${DESTDIR}/${LIBGCOMPAT_PATH}
install -D -m755 ${LOADER_NAME} ${DESTDIR}/${LOADER_PATH}
.PHONY: all clean format install
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