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# HDRL_CHECK([location])
# ----------------------
# Sets build variables required to build and link hdrl
# the argument defines the relative location of the hdrl external in the source
# tree
# Note that this macro calls GSL_CHECK_LIBS([optional]) so additional calls to
# this macro with optional argument can be skipped in the pipeline.
AC_DEFUN([HDRL_CHECK],
[
HDRL_LOCATION="$1"
# check for optional GSL, needed in pipelines to correctly setup
# HDRL_LDFLAGS and HDRL_LIBS and in the case of no GSL being present to not
# declare functions using GSL in the hdrl headers as this requires a
# HAVE_GSL defined in the pipelines config.h
GSL_CHECK_LIBS([optional])
AC_MSG_CHECKING([HDRL in $HDRL_LOCATION])
# requires cpl and libm as it is a static library
HDRL_LIBS="-lhdrl -lcplcore -lcpldrs -lcplui -lcpldfs -lcext -lm $GSL_LIBS"
# la file to be added to DEPENDENCIES libtool doesn't track static libs
LIBHDRL="\$(top_builddir)/$HDRL_LOCATION/libhdrl.la"
HDRL_LDFLAGS="-L\$(top_builddir)/$HDRL_LOCATION $GSL_LDFLAGS"
HDRL_INCLUDES="-I\$(top_srcdir)/$HDRL_LOCATION"
AC_SUBST(HDRL_LIBS)
AC_SUBST(LIBHDRL)
AC_SUBST(HDRL_LDFLAGS)
AC_SUBST(HDRL_INTERNAL_CFLAGS)
AC_SUBST(HDRL_INCLUDES)
AC_MSG_RESULT([ok])
])
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