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Diffstat (limited to 'sci-electronics/ngspice/files/ngspice-27-autoconf_fftw3.patch')
-rw-r--r--sci-electronics/ngspice/files/ngspice-27-autoconf_fftw3.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/sci-electronics/ngspice/files/ngspice-27-autoconf_fftw3.patch b/sci-electronics/ngspice/files/ngspice-27-autoconf_fftw3.patch
new file mode 100644
index 00000000000..d490938d209
--- /dev/null
+++ b/sci-electronics/ngspice/files/ngspice-27-autoconf_fftw3.patch
@@ -0,0 +1,26 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -191,6 +191,10 @@
+ AC_ARG_WITH([ngshared],
+ [AS_HELP_STRING([--with-ngshared], [Compiles ngspice as shared library (dll)])])
+
++# --with-fftw3: Use fftw3 for Fourier transforms. Default is "yes".
++AC_ARG_WITH([fftw3],
++ [AS_HELP_STRING([--with-fftw3[=yes/no]], [Use fftw3 for Fourier transforms. Default=yes.])])
++
+ # readline and editline cannot both be enabled
+ if test "x$with_editline" = xyes; then
+ if test "x$with_readline" = xyes; then
+@@ -726,10 +730,12 @@
+ # Look for math library:
+ AC_CHECK_LIB([m], [sqrt])
+ AC_CHECK_HEADERS([float.h limits.h values.h ieeefp.h])
++if test "x$with_fftw3" = xyes; then
+ AC_CHECK_HEADERS([fftw3.h])
+ AC_CHECK_LIB([fftw3], [fftw_plan_dft_1d],
+ [AC_DEFINE([HAVE_LIBFFTW3], [], [Have fft routines in libfftw3])
+ LIBS="$LIBS -lfftw3"])
++fi
+
+ # Check for a few mathematical functions:
+ AC_CHECK_FUNCS([erfc logb scalb scalbn asinh acosh atanh finite])