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#
# Notes:
#
# * Compilation Defines:
#
# MACOS_DYLD_INTERPOSE
# - Use dlyd interposing instead of name-based function interception
# (required since macOS Monterey)
#
# FAKE_SLEEP
# - Also intercept sleep(), nanosleep(), usleep(), alarm(), [p]poll()
#
# FAKE_SETTIME
# - Intercept clock_settime(), settimeofday(), and adjtime()
#
# FAKE_PID
# - Enable faked values for getpid() calls through FAKETIME_FAKEPID
#
# FAKE_RANDOM
# - Intercept getentropy(). Dangerous for production use.
# See README about FAKE_RANDOM.
#
# FAKE_STAT
# - Enables time faking also for files' timestamps.
#
# FAKE_FILE_TIMESTAMPS, FAKE_UTIME
# - Enables time faking for the utime* functions. If enabled via
# FAKE_FILE_TIMESTAMPS, the faking is opt-in at runtime using
# with the FAKE_UTIME environment variable. If enabled via
# FAKE_UTIME, the faking is opt-out at runtime. Requires FAKE_STAT.
#
# PTHREAD
# - Define this to enable multithreading support.
#
# PTHREAD_SINGLETHREADED_TIME
# - Define this if you want to single-thread time() ... there ARE
# possible caching side-effects in a multithreaded environment
# without this, but the performance impact may require you to
# try it unsynchronized.
#
# * Compilation addition: second libMT target added for building the pthread-
# enabled library as a separate library
#
# * Compilation switch change: previous versions compiled using '-nostartfiles'
# This is no longer the case since there is a 'startup' constructor for the library
# which is used to activate the start-at times when specified. This also initializes
# the dynamic disabling of the FAKE_STAT calls.
#
# By default, libfaketime will be compiled for your system's default architecture.
# To build for a different architecture, add -arch flags to CFLAGS and LDFLAGS.
#
# default to clang to support thread local variables
CC ?= clang
INSTALL ?= install
PREFIX ?= /usr/local
CFLAGS += -DFAKE_SLEEP -DFAKE_INTERNAL_CALLS -DPREFIX='"'${PREFIX}'"' $(FAKETIME_COMPILE_CFLAGS) -DMACOS_DYLD_INTERPOSE -DFAKE_SETTIME
LIB_LDFLAGS += -dynamiclib -current_version 0.9.9 -compatibility_version 0.7
SONAME = 1
LIBS = libfaketime.${SONAME}.dylib
BINS = faketime
all: ${LIBS} ${BINS}
libfaketime.${SONAME}.dylib: libfaketime.c
${CC} -o $@ ${CFLAGS} ${LDFLAGS} ${LIB_LDFLAGS} -install_name ${PREFIX}/lib/faketime/$@ $<
faketime: faketime.c
${CC} -o $@ ${CFLAGS} ${LDFLAGS} $<
clean:
@rm -f ${OBJ} ${LIBS} ${BINS}
distclean: clean
@echo
install: ${LIBS} ${BINS}
@echo
@echo "Copying the faketime libraries to ${DESTDIR}${PREFIX}/lib/faketime and the faketime wrapper script to ${DESTDIR}${PREFIX}/bin ..."
$(INSTALL) -dm0755 "${DESTDIR}${PREFIX}/lib/faketime/"
$(INSTALL) -m0644 ${LIBS} "${DESTDIR}${PREFIX}/lib/faketime/"
$(INSTALL) -dm0755 "${DESTDIR}${PREFIX}/bin"
$(INSTALL) -m0755 faketime "${DESTDIR}${PREFIX}/bin/faketime"
uninstall:
for f in ${LIBS}; do rm -f "${DESTDIR}${PREFIX}/lib/faketime/$$f"; done
rmdir "${DESTDIR}${PREFIX}/lib/faketime"
rm -f "${DESTDIR}${PREFIX}/bin/faketime"
.PHONY: all clean distclean install uninstall
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