From 1a645b8807a2e55372a02ec50d71a8134968626d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Tue, 22 Jul 2008 13:39:32 +0000
Subject: added check for fftw3; use config.h for extended configuration

svn path=/trunk/externals/iem/iemmatrix/; revision=10203
---
 src/config.h.in  | 10 ++++++++++
 src/configure.ac | 12 ++++++++----
 src/iemmatrix.h  |  5 +++++
 3 files changed, 23 insertions(+), 4 deletions(-)
 create mode 100644 src/config.h.in

diff --git a/src/config.h.in b/src/config.h.in
new file mode 100644
index 0000000..1f8be77
--- /dev/null
+++ b/src/config.h.in
@@ -0,0 +1,10 @@
+#ifndef CONFIG_H_
+#define CONFIG_H_
+
+
+/* do we have fftw3 installed? */
+#undef HAVE_FFTW3_H
+
+
+
+#endif /* CONFIG_H_ */
diff --git a/src/configure.ac b/src/configure.ac
index 6b6320c..c36746e 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1,6 +1,10 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(iemmatrix.c)
 
+AC_CONFIG_HEADER(config.h)
+DFLAGS="${DFLAGS} -DHAVE_CONFIG_H"
+
+
 
 dnl Checks for programs.
 AC_PROG_CC
@@ -63,7 +67,7 @@ AC_CHECK_LIB(m, main)
 dnl Replace `main' with a function in -lpthread:
 dnl AC_CHECK_LIB(pthread, main)
 dnl Replace `main' with a function in -lstk:
-dnl AC_CHECK_LIB(stk, main, STK=yes)
+AC_CHECK_LIB(fftw3, fftw_destroy_plan)
 
 
 if test "x$with_pd" != "x"; then
@@ -92,7 +96,7 @@ AC_CHECK_LIB(pd, nullfn)
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(stdlib.h stdio.h string.h math.h time.h sys/time.h)
+AC_CHECK_HEADERS(stdlib.h stdio.h string.h math.h time.h sys/time.h fftw3.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_HEADER_TIME
@@ -208,7 +212,7 @@ then
 	-OPT:roundoff=3 -OPT:IEEE_arithmetic=3 -OPT:cray_ivdep=true \
         -shared -rdata_shared"
   EXT=pd_irix6
-  dnl DFLAGS="-DUNIX -DIRIX6"
+  dnl DFLAGS="-DUNIX -DIRIX6 ${DFLAGS}"
   STRIPFLAGS="--strip-unneeded"
   if test "$enable_lpt" = "yes"; then
     AC_MSG_ERROR("lpt not supported on this platform");
@@ -224,7 +228,7 @@ then
   LDFLAGS="-o32 -DUNIX -DIRIX -O2 
          -shared -rdata_shared"
   EXT=pd_irix5
-  dnl DFLAGS="-DUNIX -DIRIX5"
+  dnl DFLAGS="-DUNIX -DIRIX5 ${DFLAGS}"
   STRIPFLAGS="--strip-unneeded"
   if test "$enable_lpt" = "yes"; then
     AC_MSG_ERROR("lpt not supported on this platform");
diff --git a/src/iemmatrix.h b/src/iemmatrix.h
index 2e9eb13..5021ed0 100644
--- a/src/iemmatrix.h
+++ b/src/iemmatrix.h
@@ -53,6 +53,11 @@
 
 #include "m_pd.h"
 
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
 #define VERSION "0.1"
 
 
-- 
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