Remove useless code in add::eval().

[ginac.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 3be16c1fe03b0d68341b61cb9cbea84c2e0472cc..08509aabbe196818908cff9378fe404d2b482b5a 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -4,34 +4,31 @@ PREREQUISITES
 GiNaC requires the CLN library by Bruno Haible installed on your system.
 It is available from <ftp://ftpthep.physik.uni-mainz.de/pub/gnu/>.
 
 GiNaC requires the CLN library by Bruno Haible installed on your system.
 It is available from <ftp://ftpthep.physik.uni-mainz.de/pub/gnu/>.
 

-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, and 5.3
+   - Clang 3.5.0

 
 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), autogen (>= 5.6.0) to be
-installed.
+libtool (>= 1.5), python (>= 2.5), bison (>= 2.3), flex (>= 2.5.33) to be installed.

 
 
 INSTALLATION
 
 
 INSTALLATION


@@ -74,17 +71,16 @@ 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:
+The time the "make" step takes depends on optimization levels. To give you
+a rough idea of what you have to expect the following table may be helpful.
+It was measured on an Athlon X2/3GHz with 4Gb of RAM.

 
 step          | GCC optimization  | comment
               |   -O1   |   -O2   |
 --------------+---------+---------+----------------------------------------
 
 step          | GCC optimization  | comment
               |   -O1   |   -O2   |
 --------------+---------+---------+----------------------------------------

-make          |   ~6m   |   ~8m   | shared and static library
-make check    |   ~8m   |  ~12m   | largely due to compilation
+make          |   ~1m   |   ~2m   | shared library only (--disable-static),
+              |         |         | parallel compilation (MAKEFLAGS=-j2)
+make check    |   ~6m   |   ~6m   | largely due to compilation

 
 
 To install from git 
 
 
 To install from git