CGAL users discussion list

[Ashish Upadhyay <>]

Dear Group Members

I am trying to install CGAL  as root and getting following message. I am not much informed about linux (I am using latest Fedora). Can you please help in this?

---------------------------------------------------------------------------------------------------------------------------------
[root@localhost CGAL-4.1]# /root/cmake-2.8.10.2/bin/./cmake /root/CGAL-4.1
-- The CXX compiler identification is GNU 4.1.2
-- The C compiler identification is GNU 4.1.2
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
== Setting paths ==
-- Build CGAL from release in directory CGAL-4.1
-- Packagenames: CGAL-4.1
== Setting paths (DONE) ==

== Generate version files ==
-- CGAL_MAJOR_VERSION=4
-- CGAL_MINOR_VERSION=1
-- CGAL_BUGFIX_VERSION=0
-- CGAL_SONAME_VERSION=10
-- CGAL_SOVERSION     =10.0.0
-- CGAL_REFERENCE_CACHE_DIR=
-- Building shared libraries
-- Targetting Unix Makefiles
-- Using /usr/bin/c++ compiler.
-- USING CMake version: 2.8.10
-- System: Linux
-- USING GCC_VERSION = '4.1.2 20070626 (Red Hat 4.1.2-14)'
-- Using gcc version 4 or later. Adding -frounding-math
== Generate version files (DONE) ==

== Set up flags ==
-- Build type: Release
-- USING CXXFLAGS = ' -frounding-math -O3 -DNDEBUG'
-- USING LDFLAGS = '  '
== Set up flags (DONE) ==

== Detect external libraries ==
-- External libraries supported: GMP;GMPXX;MPFR;ZLIB;OpenGL;LEDA;MPFI;RS;RS3;OpenNL;TAUCS;Eigen3;BLAS;LAPACK;QGLViewer;ESBTL;Coin3D;NTL;IPE
-- Preconfiguring library: GMP ...
-- Could NOT find GMP (missing:  GMP_LIBRARIES GMP_INCLUDE_DIR)
CMake Error at cmake/modules/CGAL_SetupDependencies.cmake:66 (message):
  CGAL requires GMP to be found
Call Stack (most recent call first):
  CMakeLists.txt:590 (include)


-- Configuring incomplete, errors occurred!
[root@localhost CGAL-4.1]#
------------------------------------------------------------------------------------------------------------------------------------

Thanks

Ashish

On 24 January 2013 14:52, Sebastien Loriot (GeometryFactory) <> wrote:

Go at [1], and I think the second example (Using an Integer as Key
Type) is doing what you.

Sebastien.

[1] http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Spatial_searching/Chapter_main.html#Subsection_61.3.6

On 01/24/2013 09:55 AM, Rhys D wrote:

Hi,

Now that I am up and running with CGAL, I am dismayed to discover that
the nearest neighbor search does not allow you to return an index.

I found an old post from 2007 from Johannes that suggests that he has a
working implementation of a nearest neighbor search that will return an
index.

Failing that, does anyone else have any ideas?

Rhys.

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