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172 lines (164 loc) · 5.84 KB
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dnl @synopsis ACX_FFTW([FFTW_DIR, FFTW_INCDIR, FFTW_PFLAG, FFTW_FFLAG, [ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]])
dnl This macro figures out if the FFTW3 libraries and header
dnl files are installed.
dnl You may wish to use these variables in your default LIBS and CFLAGS:
dnl
dnl LIBS="$FFTW_LIBS $LIBS"
dnl
dnl ACTION-IF-FOUND is a list of shell commands to run if FFTW
dnl is found (HAVE_FFTWx are defined first), and ACTION-IF-NOT-FOUND
dnl is a list of commands to run it if it is not found.
dnl
dnl @version $Id: acx_fftw.m4,v 1.0 2008/08/28 21:30:17 bertin Exp $
dnl @author Emmanuel Bertin <bertin@iap.fr>
AC_DEFUN([ACX_FFTW], [
AC_REQUIRE([AC_CANONICAL_HOST])
dnl --------------------
dnl Search include files
dnl --------------------
acx_fftw_ok=no
if test x$2 = x; then
if test x$1 = x; then
AC_CHECK_HEADER(fftw3.h,[acx_fftw_ok=yes])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(FFTW_H, "fftw.h", [FFTW header filename.])
else
AC_CHECK_HEADER(fftw/fftw3.h,[acx_fftw_ok=yes])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(FFTW_H, "fftw/fftw3.h", [FFTW header filename.])
else
FFTW_ERROR="FFTW include files not found in default location!"
fi
fi
else
AC_CHECK_HEADER($1/include/fftw3.h,[acx_fftw_ok=yes])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(FFTW_H, "$1/include/fftw3.h", [FFTW header filename.])
else
AC_CHECK_HEADER(fftw3.h,[acx_fftw_ok=yes])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(FFTW_H, "fftw.h", [FFTW header filename.])
else
FFTW_ERROR="FFTW include files not found in $1/include!"
fi
fi
fi
else
AC_CHECK_HEADER($2/fftw3.h,[acx_fftw_ok=yes])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(FFTW_H, "$2/fftw3.h", [FFTW header filename.])
else
FFTW_ERROR="FFTW include files not found in $2!"
fi
fi
dnl --------------------
dnl Search library files
dnl --------------------
FFTW_LIBS=""
OLIBS="$LIBS"
LIBS=""
if test x$acx_fftw_ok = xyes; then
if test x$1 = x; then
if test x$4 = xyes; then
AC_CHECK_LIB(fftw3f, fftwf_execute, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-lm])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWF,1,
[Define if you have the FFTW single precision libraries and header files.])
FFTW_LIBS="-lfftw3f"
else
FFTW_ERROR="FFTW single precision library files not found at usual locations!"
fi
else
AC_CHECK_LIB(fftw3, fftw_execute, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-lm])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTW,1,
[Define if you have the FFTW double precision libraries and header files.])
FFTW_LIBS="-lfftw3"
else
FFTW_ERROR="FFTW double precision library files not found at usual locations!"
fi
fi
if test x$acx_fftw_ok = xyes && test x$3 = xyes; then
if test x$4 = xyes; then
AC_CHECK_LIB(fftw3f_threads, fftwf_init_threads,
[acx_fftw_ok=yes], [acx_fftw_ok=no], [-lfftw3f -lm -lpthread])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWFT,1,
[Define if you have the FFTW single precision multithreaded libraries and header files.])
FFTW_LIBS="-lfftw3f_threads -lfftw3f"
else
FFTW_ERROR="FFTW single precision library was compiled without multithreading support!"
fi
else
AC_CHECK_LIB(fftw3_threads, fftw_init_threads,
[acx_fftw_ok=yes], [acx_fftw_ok=no], [-lfftw3 -lm -lpthread])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWT,1,
[Define if you have the FFTW double precision multithreaded libraries and header files.])
FFTW_LIBS="-lfftw3_threads -lfftw3"
else
FFTW_ERROR="FFTW double precision library was compiled without multithreading support!"
fi
fi
fi
else
dnl -------------------------
dnl Specific libdir specified
dnl -------------------------
if test x$4 = xyes; then
AC_CHECK_LIB(fftw3f, fftwf_execute, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-L$1 -lm])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWF,1,
[Define if you have the FFTW single precision libraries and header files.])
FFTW_LIBS="-L$1 -lfftw3f"
else
FFTW_ERROR="FFTW single precision library files not found in $1!"
fi
else
AC_CHECK_LIB(fftw3, fftw_execute, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-L$1 -lm])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTW,1,
[Define if you have the FFTW double precision libraries and header files.])
FFTW_LIBS="-L$1 -lfftw3"
else
FFTW_ERROR="FFTW double precision library files not found in $1!"
fi
fi
if test x$acx_fftw_ok = xyes && test x$3 = xyes; then
if test x$4 = xyes; then
AC_CHECK_LIB(fftw3f_threads, fftwf_init_threads, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-L$1 -lfftw3f -lm -lpthread])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWFT,1,
[Define if you have the FFTW single precision multithreaded libraries and header files.])
FFTW_LIBS="-L$1 -lfftw3f_threads -lfftw3f"
else
FFTW_ERROR="FFTW single precision library in $1 was compiled without multithreading support!"
fi
else
AC_CHECK_LIB(fftw3_threads, fftw_init_threads, [acx_fftw_ok=yes],
[acx_fftw_ok=no], [-L$1 -lfftw3 -lm -lpthread])
if test x$acx_fftw_ok = xyes; then
AC_DEFINE(HAVE_FFTWT,1,
[Define if you have the FFTW double precision multithreaded libraries and header files.])
FFTW_LIBS="-L$1 -lfftw3_threads -lfftw3"
else
FFTW_ERROR="FFTW double precision library in $1 was compiled without multithreading support!"
fi
fi
fi
fi
fi
LIBS="$OLIBS"
if test x$acx_fftw_ok = xyes; then
AC_SUBST(FFTW_LIBS)
$5
else
AC_SUBST(FFTW_ERROR)
$6
fi
])dnl ACX_FFTW