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dnl
dnl acx_cfitsio.m4
dnl
dnl Figure out if the CFITSIO library and header files are installed.
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl This file part of: AstrOmatic software
dnl
dnl Copyright: (C) 2019 IAP/CNRS/UPMC
dnl
dnl License: GNU General Public License
dnl
dnl AstrOmatic software is free software: you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License as
dnl published by the Free Software Foundation, either version 3 of the
dnl License, or (at your option) any later version.
dnl AstrOmatic software is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl You should have received a copy of the GNU General Public License
dnl along with AstrOmatic software.
dnl If not, see <http://www.gnu.org/licenses/>.
dnl
dnl Last modified: 16/07/2019
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl @synopsis ACX_CFITSIO([CFITSIO_LIBSDIR, CFITSIO_INCDIR, CFITSIO_PFLAG,
dnl ILP64_FLAG, [ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]])
dnl
dnl You may wish to use these variables in your default LIBS:
dnl
dnl LIBS="$CFITSIO_LIBS $LIBS"
dnl
dnl ACTION-IF-FOUND is a list of shell commands to run if CFITSIO
dnl is found (HAVE_CFITSIO is defined first), and ACTION-IF-NOT-FOUND
dnl is a list of commands to run it if it is not found.
AC_DEFUN([ACX_CFITSIO], [
AC_REQUIRE([AC_CANONICAL_HOST])
dnl --------------------
dnl Search include files
dnl --------------------
CFITSIO_ERROR=""
if test x$2 = x; then
[acx_cfitsio_incdir="/"]
AC_CHECK_HEADERS(
[${acx_cfitsio_incdir}fitsio.h],,
[
[acx_cfitsio_incdir=""]
AC_CHECK_HEADER(
[fitsio.h],,
[CFITSIO_ERROR="CFITSIO header files not found!"]
)
]
)
else
acx_cfitsio_incdir="$2/"
AC_CHECK_HEADER(
[${acx_cfitsio_incdir}fitsio.h],,
[
[acx_cfitsio_incdir="$2/include/"]
AC_CHECK_HEADERS(
[${acx_cfitsio_incdir}fitsio.h],,
[CFITSIO_ERROR="CFITSIO header files not found in "$2"!"]
)]
)
fi
if test "x$CFITSIO_ERROR" = "x"; then
AC_DEFINE_UNQUOTED(FITSIO_H, "${acx_cfitsio_incdir}fitsio.h", [CFITSIO header filename.])
dnl ----------------------------
dnl Search CFITSIO library file
dnl ----------------------------
OLIBS="$LIBS"
LIBS=""
if test x$4 = xyes; then
acx_cfitsio_suffix="64"
CFITSIO_CFLAGS="-DCFITSIO_USE64BITINT -DLAPACK_ILP64"
else
acx_cfitsio_suffix=""
CFITSIO_CFLAGS=""
fi
if test x$1 = x; then
acx_cfitsio_libopt=""
else
acx_cfitsio_libopt="-L$1"
fi
AC_SEARCH_LIBS(
[ffmahd], ["cfitsio"$acx_cfitsio_suffix],,
[CFITSIO_ERROR="CFITSIO"$acx_cfitsio_suffix" library file not found!"],
$acx_cfitsio_libopt
)
LIBS="$OLIBS"
fi
dnl -------------------------------------------------------------------------
dnl Finally execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND
dnl -------------------------------------------------------------------------
if test "x$CFITSIO_ERROR" = "x"; then
AC_DEFINE(HAVE_CFITSIO,1, [Define if you have the CFITSIO library and header files.])
CFITSIO_LIBS="$acx_cfitsio_libopt $ac_cv_search_ffmahd"
AC_SUBST(CFITSIO_CFLAGS)
AC_SUBST(CFITSIO_LDFLAGS, "")
AC_SUBST(CFITSIO_LIBS)
AC_SUBST(CFITSIO_WARN)
$5
else
AC_SUBST(CFITSIO_ERROR)
$6
fi
])dnl ACX_CFITSIO