# Copyright (c) 2009-2010 by Aleksey Cheusov
#
# See LICENSE file in the distribution.
############################################################

#
# Sample of Makefile:
#    PKG_CONFIG_DEPS                 = glib-2.0>=2.22
#
#    PROG            = main
#
#    CFLAGS+=		-DG_DISABLE_DEPRECATED=1
#    CFLAGS+=		-DG_DISABLE_SINGLE_INCLUDES
#
#    .include <mkc.prog.mk>
#

############################################################

# .endif for the next line is in the end of file
.if defined(PKG_CONFIG_DEPS) && !make(clean) && !make(cleandir) && !make(distclean)

MKC_REQUIRE_PROGS+=	pkg-config
.include <configure.mk>

.if ${HAVE_PROG.pkg-config}

.for l in ${PKG_CONFIG_DEPS}
_lpair  =	${l:C/(>=|<=|=|>|<)/ & /g}
_pcname =	${PCNAME.${_lpair:[1]:S/-/_/g:S/+/p/g:S/./_/g}:U${_lpair:[1]}}
_lp    :=	${_pcname} ${_lpair:[2]} ${_lpair:[3]}
_ln     =	${l:S/>=/_ge_/:S/>/_gt_/:S/<=/_le_/:S/</_lt_/:S/=/_eq_/}

PKG_CONFIG.exists.${_ln} != env ${mkc.environ} mkc_check_custom \
    -p pkgconfig -s -n '${_ln}' -m '[pkg-config] ${_lp}' \
    ${PROG.pkg-config} --print-errors --exists "${_lp}"

.if !${PKG_CONFIG.exists.${_ln}}
MKC_ERR_MSG := ${MKC_ERR_MSG} "%%%: ${MKC_CACHEDIR}/_mkc_pkgconfig_${_ln}.err"
.else

# --cflags and --libs
.if defined(PROGS) || defined(LIB)
.if !defined(CPPFLAGS.pkg-config.${_ln})
CPPFLAGS.pkg-config.${_ln} != env ${mkc.environ} mkc_check_custom \
    -p pkgconfig -n '${_ln}_cflags' -m '[pkg-config] ${_lp} --cflags' \
    ${PROG.pkg-config} --cflags "${_lp}"
.endif # CPPFLAGS.pkg-config.${l}

.if !defined(LDADD.pkg-config.${_ln})
LDADD.pkg-config.${_ln} != env ${mkc.environ} mkc_check_custom \
    -p pkgconfig -n '${_ln}_libs' -m '[pkg-config] ${_lp} --libs' \
    ${PROG.pkg-config} --libs "${_lp}"
.endif # LDADD.pkg-config.${l}

CPPFLAGS :=	${CPPFLAGS} ${CPPFLAGS.pkg-config.${_ln}}
LDADD    :=	${LDADD}    ${LDADD.pkg-config.${_ln}}
.endif # PROGS || LIB

.for i in ${PKG_CONFIG_VARS.${_ln}}
.if !defined(PKG_CONFIG.var.${_ln}.${i})
PKG_CONFIG.var.${_ln}.${i} != env ${mkc.environ} mkc_check_custom \
    -p pkgconfig -n '${_ln}_${i}' -m '[pkg-config] ${_lp} --variable=${i}' \
    ${PROG.pkg-config} --variable=${i} "${_lp}"
.endif # PKG_CONFIG.var.${_ln}.${i}
.endfor # i

.endif # PKG-CONFIG.exists

.endfor # .for l in PKG_CONFIG_DEPS
.undef PKG_CONFIG_DEPS

.undef _ln
.undef _lp
.undef _pcname
.undef _lpair

.endif # HAVE_PROG.pkg-config

.endif # !make(clean) && !make(cleandir) && !make(distclean)