configure.ac

AC_PREREQ([2.63])

AC_INIT([uterus], [0.2.10], [https://github.com/hroptatyr/uterus])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_SRCDIR([src/])

dnl -------------------------------------------------------------------------
dnl Local copyright notices.
dnl -------------------------------------------------------------------------

AC_COPYRIGHT(
[#### Configuration script for uterus (and sushi and friends)
#### Copyright (C) 2010-2015 Sebastian Freundt

### Don't edit this script!
### This script was automatically generated by the `autoconf' program
### from the file `./configure.ac'.
### To rebuild it, execute the command
###     autoreconf -i
])

AM_INIT_AUTOMAKE([foreign dist-xz color-tests parallel-tests subdir-objects])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

## the build chain
AC_PROG_CC([icc gcc tcc cc])
SXE_CHECK_CC
AC_C_BIGENDIAN
SXE_CHECK_CFLAGS
## we need -msse2 to get the floating point right
SXE_CHECK_COMPILER_FLAG([-msse2], [
	CFLAGS="${CFLAGS} -msse2"
])

## yuck helper
AX_YUCK_SCMVER([version.mk])
AX_CHECK_YUCK([with_included_yuck="yes"])
AC_CONFIG_LINKS([GNUmakefile:GNUmakefile])

## clitoris helper
AX_CHECK_CLITORIS

## check for byteorder utils
AC_CHECK_HEADERS([endian.h sys/endian.h machine/endian.h byteorder.h])
AC_CHECK_HEADERS([byteswap.h])

## check for mkostemp
SXE_FUNC_MKOSTEMP

## and ssize_t
AC_CHECK_HEADERS([sys/types.h])
AC_CHECK_TYPES([ssize_t], [], [], [[
#if defined HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
]])

## check for tzfile.h
AX_ZONEINFO([right])
## check for struct tm goodness
save_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="-D_BSD_SOURCE"
AC_STRUCT_TIMEZONE
AC_CHECK_HEADERS([time.h])
AC_CHECK_MEMBERS([struct tm.tm_gmtoff], [], [], [[
#ifdef HAVE_TIME_H
# include <time.h>
#endif
]])
CPPFLAGS="${save_CPPFLAGS}"

## check for routines to set file times
AC_DEFUN([SXE_CHECK_STRUCT_STAT], [
	AC_CHECK_MEMBERS([struct stat.$1], [], [], [dnl
#define _XOPEN_SOURCE	600
#define _BSD_SOURCE
#define _POSIX_C_SOURCE	201001L
AC_INCLUDES_DEFAULT
])
])dnl SXE_CHECK_STRUCT_STAT
## find the best function to set timestamps
AC_CHECK_FUNCS([utimens utimensat utimes utime])
## find slots of struct stat where high-res timestamps are stored
SXE_CHECK_STRUCT_STAT([st_atim.tv_nsec])
SXE_CHECK_STRUCT_STAT([st_atimespec.tv_nsec])
SXE_CHECK_STRUCT_STAT([st_atimensec])
SXE_CHECK_STRUCT_STAT([st_uatime])
SXE_CHECK_STRUCT_STAT([st_atim.st__tim.tv_nsec])

## check for working c1x features
SXE_CHECK_ANON_STRUCTS_DECL
SXE_CHECK_ANON_STRUCTS_INIT
SXE_CHECK_SLOPPY_STRUCTS_INIT

if test "${sxe_cv_have_anon_structs_decl}" != "yes"; then
        AC_MSG_ERROR([C compiler unusable

uterus make extensive use of c11 anonymous structs/unions but your
compiler does not fully support them.
Change either the CFLAGS or the compiler.
Good day.
])
elif test "${sxe_cv_have_anon_structs_init}" != "yes"; then
	AC_MSG_WARN([C compiler needs archaeological treatment

uterus' codebase is modern and makes use of modern compiler features
but your compiler does not fully support them.
The build won't fail but you will use legacy constructs and hacks
which have not seen any form of testing.
Fingers crossed it works innit?
])
fi

## check for libcurl (critical for gandapi)
PKG_CHECK_MODULES([curl], [libcurl >= 7.0.0], [have_curl="yes"], [have_curl="no"])
if test "${have_curl}" = "yes"; then
	save_CPPFLAGS="${CPPFLAGS}"
	CPPFLAGS="${curl_CFLAGS} ${CPPFLAGS}"
	AC_CHECK_HEADERS([curl/curl.h])
	CPPFLAGS="${save_CPPFLAGS}"

	if test "${ac_cv_header_curl_curl_h}" != "yes"; then
		have_curl="no"
	fi
fi
AM_CONDITIONAL([HAVE_CURL], [test "${have_curl}" = "yes"])

## ute can do with lzma
PKG_CHECK_MODULES([lzma], [liblzma], [have_lzma="yes"], [have_lzma="no"])
AM_CONDITIONAL([HAVE_LZMA], [test "${have_lzma}" = "yes"])
if test "${have_lzma}" = "yes"; then
	## check for the header
	SXE_DUMP_LIBS
	CPPFLAGS="${CPPFLAGS} ${lzma_CFLAGS}"
	LDFLAGS="${LDFLAGS} ${lzma_LIBS}"
	AC_CHECK_HEADERS([lzma.h])
	if test "${ac_cv_header_lzma_h}" != "yes"; then
		have_lzma="no"
	fi
	SXE_RESTORE_LIBS
fi

## ibhist needs expat
PKG_CHECK_MODULES([expat], [expat], [have_expat="yes"], [have_expat="no"])
AM_CONDITIONAL([HAVE_EXPAT], [test "${have_expat}" = "yes"])

## hdf5 demuxer needs hdf5
AX_LIB_HDF5([serial])
AM_CONDITIONAL([HAVE_HDF5], [test "${with_hdf5}" = "yes"])

## ute anal can do with libpng
PKG_CHECK_MODULES([libpng], [libpng], [have_libpng="yes"], [have_libpng="no"])
AM_CONDITIONAL([HAVE_LIBPNG], [test "${have_libpng}" = "yes"])
if test "${have_libpng}" = "yes"; then
	## check for the header
	SXE_DUMP_LIBS
	CPPFLAGS="${CPPFLAGS} ${libpng_CFLAGS}"
	AC_CHECK_HEADERS([png.h])
	if test "${ac_cv_header_png_h}" != "yes"; then
		have_libpng="no"
	fi
	SXE_RESTORE_LIBS
fi

## lift big endianness to Makefile level
AM_CONDITIONAL([WORDS_BIGENDIAN], [test "${ac_cv_c_bigendian}" = "yes"])

## check for file(1)
AC_CHECK_TOOL([FILE], [file])
AM_CONDITIONAL([HAVE_FILE], [test -n "${FILE}"])

## check for matlab
AC_ARG_WITH([matlab], [
AS_HELP_STRING([--with-matlab], [Build matlab contribs, default: no.])],
        [with_matlab="${withval}"], [with_matlab="no"])

## the actual checks
if test "${with_matlab}" = "yes"; then
	SXE_CHECK_MATLAB
	have_matlab="yes"
fi
AM_CONDITIONAL([BUILD_MATCLI], [test "${have_matlab}" = "yes"])

## check for R
AC_ARG_WITH([R], [
AS_HELP_STRING([--with-R], [Build R contribs, default: no.])],
        [dnl
		if test "${withval}" = "yes"; then
			PKG_CHECK_MODULES([R], [libR >= 2.0.0], [
				with_R="yes"
			], [
				with_R="no"
			])
		else
			with_R="${withval}"
		fi
        ], [with_R="no"])
AM_CONDITIONAL([BUILD_RCLI], [test "${with_R}" = "yes"])

## libtool goddess^Wgoodness
## has to be down here as we're turning -Werror'ing off
SXE_CHECK_LIBTOOL
LT_CONFIG_LTDL_DIR([libltdl])
LTDL_INIT([recursive])
SXE_CHECK_LIBLTDL

## offload some of the final targets here
headerdir="${includedir}/uterus"
utedir="${libexecdir}/uterus"
AC_SUBST([headerdir])
AC_SUBST([utedir])

## output
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([build-aux/Makefile])
AC_CONFIG_FILES([libltdl/Makefile])
AC_CONFIG_FILES([src/Makefile])
AC_CONFIG_FILES([aux/Makefile])
AC_CONFIG_FILES([aux/matlab/Makefile])
AC_CONFIG_FILES([aux/R/Makefile])
AC_CONFIG_FILES([info/Makefile])
AC_CONFIG_FILES([test/Makefile])
AC_OUTPUT

cat <<EOF


Build summary
=============
Build client:	ute
Build library:	libuterus

EOF

dnl configure.ac ends here