# Machinery for running the external project
set(EXTERNAL_FFTW_VERSION 3.3.3)
-set(GMX_BUILD_OWN_FFTW_URL "http://www.fftw.org/fftw-${EXTERNAL_FFTW_VERSION}.tar.gz" CACHE PATH "URL from where to download fftw, (use an absolute path when offline)")
+# cmake make eats slashes //// -> //
+set(GMX_BUILD_OWN_FFTW_URL "http:////www.fftw.org/fftw-${EXTERNAL_FFTW_VERSION}.tar.gz" CACHE PATH "URL from where to download fftw, (use an absolute path when offline)")
mark_as_advanced(GMX_BUILD_OWN_FFTW_URL)
set(EXTERNAL_FFTW_MD5SUM 0a05ca9c7b3bfddc8278e7c40791a1c2)
set (EXTERNAL_FFTW_BUILD_TARGET fftwBuild)