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AC_INIT(libccp4, 8.0.0) # keep version in sync with ccp4/ccp4_program.h
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_MACRO_DIR(m4)
AC_CONFIG_SRCDIR(ccp4/cmtzlib.c)
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE([1.11 foreign subdir-objects silent-rules -Wall])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
LT_INIT([disable-shared win32-dll])
AC_PROG_CC
dnl fortran/rwbrook.f provides interface to fortran mmdb interface
dnl (mmdb/mmdb_rwbrook.h/cpp). CXX is used only to test linking with mmdb.
AC_PROG_CXX
AC_PROG_INSTALL
AM_MAINTAINER_MODE dnl disable (by default) maintainer mode
AC_ARG_ENABLE(fortran, AS_HELP_STRING([--disable-fortran],
[do not compile fortran API]))
AM_CONDITIONAL([FORTRAN_LIB], [ test "x$enable_fortran" != xno ])
if test "x$enable_fortran" != "xno"; then
# sorting_main.f (mix of F77 and F90) cannot be compiled with g77
AC_PROG_F77([_AC_F90_FC _AC_F95_FC _AC_F77_FC])
# AC_PROG_F77 doesn't fail if compiler is not found, test it explicitely
AC_LANG_PUSH(Fortran 77)
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ write(*,*) 'hello' ])], [],
[AC_MSG_ERROR([Fortran compiler not found.])])
AC_LANG_POP(Fortran 77)
AC_PATH_PROG(M4,m4)
if test x"$M4" = "x"; then
AC_MSG_ERROR([m4 program not found.])
fi
# TODO: it'd be better to check for features rather than compilers,
# but I'm afraid of changing this and unix.m4.
cc_basename=`$ECHO "X$compiler_F77" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
case $host_os in
linux*|mingw* )
case $cc_basename,$host_cpu in
ifort*)
M4_ARG=${M4_ARG:-"-D_ifc=8"}
AC_DEFINE([IFC],[8],[using intel fortran compiler])
;;
ifc*)
M4_ARG=${M4_ARG:-"-D_efc=1"}
AC_DEFINE([IFC],[1],[using intel fortran compiler])
;;
g77*)
M4_ARG=${M4_ARG:-"-D_g77=1"}
AC_DEFINE([G77],[1],[using g77 compiler])
;;
gfortran*)
M4_ARG=${M4_ARG-"-D_gfort=1"}
AC_DEFINE([GFORTRAN],[1],[using gfortran compiler])
;;
xlf*)
M4_ARG=${M4_ARG-"-D_xlf=1"} ;;
pgf*) ;;
esac
;;
darwin* )
case $cc_basename,$host_cpu in
ifort*)
M4_ARG=${M4_ARG:-"-D_ifc=8"}
AC_DEFINE([IFC],[8],[using intel fortran compiler])
;;
ifc*)
M4_ARG=${M4_ARG:-"-D_ifc=1"}
AC_DEFINE([IFC],[1],[using intel fortran compiler])
;;
g77*)
M4_ARG=${M4_ARG:-"-D_g77=1"}
AC_DEFINE([G77],[1],[using g77 compiler])
;;
gfortran*)
M4_ARG=${M4_ARG-"-D_gfort=1"}
AC_DEFINE([GFORTRAN],[1],[using gfortran compiler])
;;
xlf*)
M4_ARG=${M4_ARG-"-D_xlf=1"} ;;
esac
;;
irix* )
case $cc_basename,$host_cpu in
f77* )
M4_ARG=${M4_ARG:-"-D_sgi=1"}
;;
f90*)
M4_ARG=${M4_ARG:-"-D_sgi=1 -D_f90=1"}
;;
esac
esac
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return _WIN32;])],
[M4_ARG="$M4_ARG -D_windows=1"], [])
AC_MSG_NOTICE([fortran/unix.m4 will be processed with m4 $M4_ARG])
AC_SEARCH_LIBS(cos, m, , AC_MSG_ERROR([math library not found.]))
AC_LANG_PUSH([C++])
AC_CHECK_LIB(mmdb2, MMDB_CCIF_Init, :,
AC_MSG_WARN([mmdb2 library not found.]))
AC_LANG_POP([C++])
AC_LANG_PUSH(Fortran 77)
AX_CHECK_COMPILE_FLAG([-fallow-argument-mismatch],[FFLAGS="$AM_FFLAGS -fallow-argument-mismatch"],, [-Werror])
AC_LANG_POP(Fortran 77)
fi #dnl fortran API elements
AM_CONDITIONAL([GNU_FORTRAN], [test "x$G77" = "xyes"])
# TODO: prefix or pkgdatadir can be changed after configure is run,
# setting PACKAGE_ROOT here can fail, it would be better to set:
# ccp4_libccp4c_la_CPPFLAGS= -DDATA_DIR=\"$(pkgdatadir)\"
PACKAGE_ROOT=$prefix
test "x$PACKAGE_ROOT" = xNONE && PACKAGE_ROOT=$ac_default_prefix
AC_DEFINE_UNQUOTED([PACKAGE_ROOT],["$PACKAGE_ROOT"],[package install directory])
AC_SUBST(M4_ARG)
AC_OUTPUT(Makefile ccp4c.pc ccp4f.pc)
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