# Makefile.inc - common definitions used by all makefiles

TLPI_DIR = ..
TLPI_LIB =
TLPI_INCL_DIR = ${TLPI_DIR}/inc  
JSON_INCL_DIR = ${TLPI_DIR}/lib

LINUX_LIBRT = -lrt
LINUX_LIBDL = -ldl
LINUX_LIBACL = -lacl
LINUX_LIBCRYPT = -lcrypt
LINUX_LIBCAP = -lcap

# "-Wextra" is a more descriptive synonym for "-W", but only
# available in more recent gcc versions

# Defining _DEFAULT_SOURCE is a workaround to avoid the warnings that
# would otherwise be produced when compiling code that defines _BSD_SOURCE
# or _SVID_SOURCE against glibc headers in version 2.20 and later.
# (The alternative would be to replace each instance of "#define _SVID_SOURCE"
# or "#define _BSD_SOURCE" in the example programs with
# "#define _DEFAULT_SOURCE".)

IMPL_CFLAGS = -std=c99 -D_XOPEN_SOURCE=600 \
	        -D_DEFAULT_SOURCE \
		-g -I${TLPI_INCL_DIR} \
		-pedantic \
        -I${JSON_INCL_DIR} \
		-Wall \
		-W \
		-Wmissing-prototypes \
		-Wno-sign-compare \
		-Wno-unused-parameter

# clang(1) is a little more zealous than gcc(1) with respect to some warnings.
# Suppress those warnings (which, at least in the book code, relate to code
# that is fine).

ifeq ($(CC),clang)
	IMPL_CFLAGS += -Wno-uninitialized -Wno-infinite-recursion
endif

CFLAGS = ${IMPL_CFLAGS}

IMPL_THREAD_FLAGS = -pthread

IMPL_LDLIBS = ${TLPI_LIB} -lm

LDLIBS = ${IMPL_LDLIBS}

RM = rm -f