Correct wording in tutorial regarding degree(), ldegree().

[ginac.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 3c188b667cd4043f941616c2e16546859b3d9ede..75b8446614be0c5ee021b1a65ad475e49dc65643 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -2,41 +2,39 @@ PREREQUISITES
 =============
 
 GiNaC requires the CLN library by Bruno Haible installed on your system.
 =============
 
 GiNaC requires the CLN library by Bruno Haible installed on your system.

-It is available from <ftp://ftpthep.physik.uni-mainz.de/pub/gnu/>.
+It is available from <http://www.ginac.de/CLN/>.

 
 

-You will also need a decent ANSI-compliant C++-compiler. We recommend the
-C++ compiler from the GNU compiler collection, GCC >= 3.4. If you have a
+You will also need a decent ISO C++-11 compiler. We recommend the C++
+compiler from the GNU compiler collection, GCC >= 4.8. If you have a

 different or older compiler you are on your own. Note that you may have to
 use the same compiler you compiled CLN with because of differing
 name-mangling schemes.
 
 The pkg-config utility is required for configuration, it can be downloaded
 different or older compiler you are on your own. Note that you may have to
 use the same compiler you compiled CLN with because of differing
 name-mangling schemes.
 
 The pkg-config utility is required for configuration, it can be downloaded

-from <http://pkg-config.freedesktop.org/>.
+from <http://pkg-config.freedesktop.org/>. Also Python version >= 2.6 is
+required.

 
 To build the GiNaC tutorial and reference manual the doxygen utility
 (it can be downloaded from http://www.stack.nl/~dimitri/doxygen) and
 TeX are necessary.
 
 Known to work with:
 
 To build the GiNaC tutorial and reference manual the doxygen utility
 (it can be downloaded from http://www.stack.nl/~dimitri/doxygen) and
 TeX are necessary.
 
 Known to work with:

- - Linux on x86 and x86_64 using GCC 3.4, 4.0, 4.1, and 4.2.
- - Linux on Alpha using GCC 3.4.
- - Solaris on Sparc using GCC 3.4.
- - Windows on x86 using GCC 3.4 (MinGW)
+ - Linux on x86 and x86_64 using
+   - GCC 4.8, 4.9, 5.1, 5.2, 5.3, and 6.1
+   - Clang 3.5, 3.6, 3.7, 3.8

 
 Known not to work with:
 
 Known not to work with:

- - GCC 4.3.0 due to the compiler bug,
-   see <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35548>.
- - GCC 2.96 or earlier because proper exception and standard library support
-   is missing there.
+ - Clang 2.7 and earlier due to poor C++ support.
+ - GCC < 4.6.0 due to missing C++-11 support

 
 If you install from git, you also need GNU autoconf (>=2.59), automake (>=1.8),
 
 If you install from git, you also need GNU autoconf (>=2.59), automake (>=1.8),

-libtool (>= 1.5), bison (>= 2.3), flex (>= 2.5.33) to be installed.
+libtool (>= 1.5), python (>= 2.5), bison (>= 2.3), flex (>= 2.5.33) to be installed.

 
 
 INSTALLATION
 ============
 
 
 
 INSTALLATION
 ============
 

-To install from a source .tar.bz2 distribution:
+To install from an unpacked source .tar.bz2 distribution:

 
  $ ./configure
  $ make
 
  $ ./configure
  $ make


@@ -73,17 +71,11 @@ A few of the more important ones:
 More detailed installation instructions can be found in the documentation,
 in the doc/ directory.
 
 More detailed installation instructions can be found in the documentation,
 in the doc/ directory.
 

-The time the "make" step takes depends heavily on optimization levels. Large
-amounts of memory (>128MB) will be required by the compiler, also depending
-on optimization. To give you a rough idea of what you have to expect the
-following table may be helpful. It was measured on an Athlon/800MHz with
-"enough" memory:
-
-step          | GCC optimization  | comment
-              |   -O1   |   -O2   |
---------------+---------+---------+----------------------------------------
-make          |   ~6m   |   ~8m   | shared and static library
-make check    |   ~8m   |  ~12m   | largely due to compilation
+The time to build the library depends to a large degree on optimization levels.
+Using the default high optimization, 'make' takes a few minutes on a fast
+machine and 'make check' takes some more minutes. You can speed this up with a
+parallel build with 'make -j2' or higher, depending on the number of available
+CPU cores.

 
 
 To install from git 
 
 
 To install from git