Add initial support for python bindings

[alexxy/gromacs.git] / cmake / gmxTestIsfinite.cmake

diff --git a/cmake/gmxTestIsfinite.cmake b/cmake/gmxTestIsfinite.cmake
index cb026b7f5ddeca1b87f98aa3ed70dbc949a6a390..0a4a8077b3f50dc2667564400b43ed6676dd4f09 100644 (file)
--- a/cmake/gmxTestIsfinite.cmake
+++ b/cmake/gmxTestIsfinite.cmake
@@ -1,3 +1,37 @@
+#
+# This file is part of the GROMACS molecular simulation package.
+#
+# Copyright (c) 2012,2014, by the GROMACS development team, led by
+# Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+# and including many others, as listed in the AUTHORS file in the
+# top-level source directory and at http://www.gromacs.org.
+#
+# GROMACS is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# of the License, or (at your option) any later version.
+#
+# GROMACS is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with GROMACS; if not, see
+# http://www.gnu.org/licenses, or write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+#
+# If you want to redistribute modifications to GROMACS, please
+# consider that scientific software is very special. Version
+# control is crucial - bugs must be traceable. We will be happy to
+# consider code for inclusion in the official distribution, but
+# derived work must not be called official GROMACS. Details are found
+# in the README & COPYING files - if they are missing, get the
+# official version at http://www.gromacs.org.
+#
+# To help us fund GROMACS development, we humbly ask that you cite
+# the research papers on the package. Check out http://www.gromacs.org.
+
 # - Define macro to check if isfinite or _isfinite exists
 #
 #  gmx_test_isfinite(VARIABLE)
@@ -14,11 +48,14 @@
 #
 
 MACRO(gmx_test_isfinite VARIABLE)
+
   if(NOT DEFINED isfinite_compile_ok)
     MESSAGE(STATUS "Checking for isfinite")
 
     set(CMAKE_REQUIRED_INCLUDES "math.h")
-    set(CMAKE_REQUIRED_LIBRARIES "m")
+    if (HAVE_LIBM)
+        set(CMAKE_REQUIRED_LIBRARIES "m")
+    endif()
     check_c_source_compiles(
       "#include <math.h>
 int main(void) {
@@ -28,23 +65,30 @@ int main(void) {
 
     if(isfinite_compile_ok)
         MESSAGE(STATUS "Checking for isfinite - yes")
-    else(isfinite_compile_ok)
+    else()
         MESSAGE(STATUS "Checking for isfinite - no")
-    endif(isfinite_compile_ok)
+    endif()
     set(isfinite_compile_ok "${isfinite_compile_ok}" CACHE INTERNAL "Result of isfinite check")
-  endif(NOT DEFINED isfinite_compile_ok)
+    set(CMAKE_REQUIRED_INCLUDES)
+    set(CMAKE_REQUIRED_LIBRARIES)
+  endif()
+
   if(isfinite_compile_ok)
     set(${VARIABLE} ${isfinite_compile_ok}
                 "Result of test for isfinite")
   endif()
+
 ENDMACRO(gmx_test_isfinite VARIABLE)
 
 MACRO(gmx_test__isfinite VARIABLE)
+
   if(NOT DEFINED _isfinite_compile_ok)
     MESSAGE(STATUS "Checking for _isfinite")
 
     set(CMAKE_REQUIRED_INCLUDES "math.h")
-    set(CMAKE_REQUIRED_LIBRARIES "m")
+    if (HAVE_LIBM)
+        set(CMAKE_REQUIRED_LIBRARIES "m")
+    endif()
     check_c_source_compiles(
       "#include <math.h>
 int main(void) {
@@ -54,19 +98,24 @@ int main(void) {
 
     if(_isfinite_compile_ok)
         MESSAGE(STATUS "Checking for _isfinite - yes")
-    else(_isfinite_compile_ok)
+    else()
         MESSAGE(STATUS "Checking for _isfinite - no")
-    endif(_isfinite_compile_ok)
+    endif()
     set(_isfinite_compile_ok "${_isfinite_compile_ok}" CACHE INTERNAL "Result of _isfinite check")
-  endif(NOT DEFINED _isfinite_compile_ok)
+    set(CMAKE_REQUIRED_INCLUDES)
+    set(CMAKE_REQUIRED_LIBRARIES)
+  endif()
+
   if(_isfinite_compile_ok)
     set(${VARIABLE} ${_isfinite_compile_ok}
                 "Result of test for _isfinite")
   endif()
+
 ENDMACRO(gmx_test__isfinite VARIABLE)
 
 # Necessary for MSVC
 MACRO(gmx_test__finite VARIABLE)
+
   if(NOT DEFINED _finite_compile_ok)
     MESSAGE(STATUS "Checking for _finite")
 
@@ -80,13 +129,16 @@ int main(void) {
 
     if(_finite_compile_ok)
         MESSAGE(STATUS "Checking for _finite - yes")
-    else(_finite_compile_ok)
+    else()
         MESSAGE(STATUS "Checking for _finite - no")
-    endif(_finite_compile_ok)
+    endif()
     set(_finite_compile_ok "${_finite_compile_ok}" CACHE INTERNAL "Result of _finite check")
-  endif(NOT DEFINED _finite_compile_ok)
+    set(CMAKE_REQUIRED_INCLUDES)
+  endif()
+
   if(_finite_compile_ok)
     set(${VARIABLE} ${_finite_compile_ok}
                 "Result of test for _finite")
   endif()
+
 ENDMACRO(gmx_test__finite VARIABLE)