diff options
Diffstat (limited to '2.3-1/m4/fftw.m4')
| -rw-r--r-- | 2.3-1/m4/fftw.m4 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2.3-1/m4/fftw.m4 b/2.3-1/m4/fftw.m4 new file mode 100644 index 00000000..8764aaba --- /dev/null +++ b/2.3-1/m4/fftw.m4 @@ -0,0 +1,16 @@ +dnl AC_FFTW +dnl ------------------------------------------------------ +dnl Check if FFTW is usable and working +dnl +AC_DEFUN([AC_FFTW], [ + + AC_CHECK_HEADER([fftw3.h],[],[AC_MSG_ERROR([Cannot find headers (fftw3.h) of the library fftw. Please install the dev package (Debian : fftw3-dev)])]) + AC_CHECK_LIB([fftw3], [fftw_plan_dft_r2c], + [FFTW3_LIB=-lfftw3], + [AC_MSG_ERROR([libfftw3 : library missing. (Cannot find symbol fftw_plan_dft_r2c). Check if libfftw3 is installed and if the version is correct])] + ) + AC_SUBST(FFTW3_LIB) + AC_DEFINE([WITH_FFTW], [], [With FFTW]) +]) + + |