* config/lyxinclude.m4 (LYX_CHECK_VERSION): add new configure option

--enable-build-type=(rel*,pre*,dev*) that allows to override the 
	automatic setting of optimization, debugging and others.

	* INSTALL: document new option and remove a lot of cruft.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22945 a592a061-630c-0410-9148-cb99ea01b6c8

INSTALL

@@ -42,21 +42,14 @@ Requirements
 ------------
 
 First of all, you will also need a recent C++ compiler, where recent
-means that the compilers are close to C++ standard conforming.
+means that the compilers are close to C++ standard conforming (gcc 3.x).
-Compilers that are known to compile LyX are gcc 2.95.x and later
-and Digital C++ version 6.1 and later. Please tell us your experience
-with other compilers.
 
-It is _not_ possible to compile LyX with gcc 2.7.x and 2.8.x.
+LyX 1.6.x makes great use of C++ Standard Template Library (STL).
-
-LyX 1.4.x makes great use of C++ Standard Template Library (STL).
 This means that gcc users will have to install the relevant libstdc++
-library to be able to compile this version of LyX. Users of gcc 2.95.x
+library to be able to compile this version of LyX. 
-will have to install the STLPort version of these libraries as the
-ones that come with gcc 2.95.x are too broken for us to use.
 
-LyX has been tested with Qt 4.2.0. The only special point to 
+LyX has been tested with Qt 4.2.x and Qt 4.3.x. The only special point
-make is that you must ensure that both LyX and the Qt libraries are 
+to make is that you must ensure that both LyX and the Qt libraries are
 compiled with the same C++ compiler.
 
 Note that if Qt is using Xft2/fontconfig, you may need to install the
@@ -65,8 +58,7 @@ maths symbols displayed properly. To find out, type:
 
 	ldd `which lyx` | grep fontconfig
 
-at the console. Both RH8 and Debian unstable distributions are known
+at the console. Most recent distributions are known to use fontconfig.
-to use fontconfig.
 
 If, however, your version of Qt does not use fontconfig, then TeX
 fonts should be added to the font path. 'man xset' is your friend.
@@ -87,7 +79,7 @@ The two following programs should be available at configuration time:
 
   o LaTeX2e should be correctly setup for the user you are logged in
     as. Otherwise, LyX will not be able to run a number of tests. Note
-    that users can run these tests manually with Edit>Reconfigure.
+    that users can run these tests manually with Tools>Reconfigure.
 
   o Python 2.3 or newer installed to be able to import older LyX files
     with the lyx2lyx script (this script is called automatically when
@@ -107,6 +99,21 @@ to create the Makefile by typing
 For more complicated cases, LyX configure takes the following specific
 flags:
 
+  o --enable-build-type=[rel(ease), dev(elopment), pre(release)]
+    allows to tweak the compiled code. The options are equivalent to:
+
+    release: --enable-optimization=-O2 --disable-assertions 
+             --disable-stdlib-debug --disable-concept-checks
+             --disable-warnings --disable-debug
+
+    prerelease: --enable-optimization=-O2 --enable-assertions 
+             --disable-stdlib-debug --enable-concept-checks
+             --enable-warnings --enable-debug
+
+    prerelease: --enable-optimization=-O --enable-assertions 
+             --enable-stdlib-debug --enable-concept-checks
+             --enable-warnings --enable-debug
+
   o --with-extra-lib=DIRECTORY that specifies the path where LyX will
     find extra libraries (qt4) it needs. Defaults to NONE
     (i.e. search in standard places). You can specify several
@@ -120,10 +127,10 @@ flags:
        --with-extra-lib=DIRECTORY/lib --with-extra-inc=DIRECTORY/include
     If DIRECTORY is not specified, the current prefix is used.
 
-  o --with-version-suffix will install LyX as lyx-<version>, e.g. lyx-1.4.1
+  o --with-version-suffix will install LyX as lyx-<version>, e.g. lyx-1.6.1
-    The LyX data directory will be something like <whatever>/lyx-1.4.1/.
+    The LyX data directory will be something like <whatever>/lyx-1.6.1/.
     Additionally your user configuration files will be found in e.g.
-    $HOME/.lyx-1.4.1
+    $HOME/.lyx-1.6.1
 
     You can use this feature to install more than one version of LyX
     on the same system. You can optionally specify a "version" of your
@@ -135,13 +142,6 @@ flags:
     directory etc. so it is recommended that you use --with-version-suffix
     (or --prefix) instead.
 
-  o --enable-optimization=VALUE enables you to set optimization to a
-    higher level as the default (-O), for example --enable-optimization=-O3.
-
-  o --disable-optimization - you can use this to disable compiler
-    optimization of LyX. The compile may be much quicker with some
-    compilers, but LyX will run more slowly.
-
 There are also flags to control the internationalization support in
 LyX:
 
@@ -202,6 +202,13 @@ this file.
 In particular, the following options could be useful in some desperate
 cases:
 
+  o --enable-optimization=VALUE enables you to set optimization to a
+    higher level as the default (-O), for example --enable-optimization=-O3.
+
+  o --disable-optimization - you can use this to disable compiler
+    optimization of LyX. The compile may be much quicker with some
+    compilers, but LyX will run more slowly.
+
   o --enable-debug will add debug information to your binary. This
     requires a lot more disk space, but is a must if you want to try to
     debug problems in LyX. The default is to have debug information
@@ -310,58 +317,9 @@ team member or users to help compiling on some particular
 architectures. If you find that some of this hints are wrong, please
 notify us.
 
-  o On SUN Sparc Solaris 8, you need gnumake. The LyX makefiles do not
+  o On SUN Sparc Solaris, you need gnumake. The LyX makefiles do not
     work with Solaris make.
 
     The Solaris ar seg-faults trying to build the insets library. You
     will need to use the ar from the GNU binutils for this subdirectory.
 
-  o LyX can be compiled on Tru64 Unix with either GNU's gcc or the default
-    Compaq cxx compiler.
-
-    There are no Alpha-specific problems with gcc.
-
-    The following notes all refer to compilation with the Compaq cxx compiler.
-
-    LyX cannot be compiled on Tru64 Unix 4.0d or 4.0e with the default cxx
-    compiler. You should upgrade to at least cxx V6.2, to be found at
-    ftp::/ftp.compaq.com/pub/products/C-CXX/tru64/cxx/CXX622V40.tar. Users
-    running Tru64 Unix 4.0f and greater should have no real problems compiling
-    LyX.
-
-    cxx V6.2 will compile LyX out of the box.
-    cxx V6.3-020 is also known to work, although there is a bug in
-    /usr/include/cxx/deque that will break compilation in FormPreferences.C.
-    Compaq are investigating, but a patch that works /now/ is:
-
---- /usr/include/cxx/deque_safe Mon Mar  4 21:09:50 2002
-+++ /usr/include/cxx/deque      Mon Mar  4 21:09:00 2002
-@@ -570,9 +570,11 @@
-       {
-         if (size() >= x.size())
-           erase(copy(x.begin(), x.end(), begin()), end());
--        else
--          copy(x.begin() + size(), x.end(),
--               inserter(*this,copy(x.begin(),x.begin()+size(),begin())));
-+        else {
-+         const_iterator mid = x.begin() + difference_type(size());
-+         copy(x.begin(), mid, begin());
-+         insert(end(), mid, x.end());
-+       }
-       }
-       return *this;
-     }
-
-    At the time of writing, cxx V6.5-026 is the latest cxx compiler. It is
-    /not/ recommended. The compiler itself appears to be both buggy and
-    extremely bloated (trebling the size of the stripped LyX binary).
-
-    In order to compile LyX with the cxx compiler, you should run configure
-    with the following flags:
-	CXX='cxx -std strict_ansi'
-	CXXFLAGS='-nopure_cname -nocleanup -ptr /tmp/lyx_cxx_repository -O2'
-	CC='cc -std1'
-    The -nopure_cname flag is needed for compilers V6.3 and above because
-    LyX makes use of functions like popen, pclose that are defined in the
-    c version of <stdio.h> but are not formally part of any c/c++ standard.
-    They are not, therefore, included in the <cstdio> header file.

config/lyxinclude.m4

@@ -10,14 +10,29 @@ AC_DEFUN([LYX_CHECK_VERSION],[
 echo "configuring LyX version" AC_PACKAGE_VERSION
 lyx_devel_version=no
 lyx_prerelease=no
-case AC_PACKAGE_VERSION in
+build_type=release
+AC_MSG_CHECKING([for build type])
+AC_ARG_ENABLE(build-type,
+  AC_HELP_STRING([--enable-build-type=TYPE],[set build setting according to TYPE=dev(elopment), rel(ease) or pre(release)]),
+  [case $enableval in 
+    dev*) lyx_devel_version=yes
+          build_type=development;;
+    pre*) lyx_prerelease=yes
+          build_type=prerelease;;
+    rel*) ;;
+    *) AC_ERROR([Bad build type specification \"$enableval\". Please use one of dev(elopment), rel(ease) or pre(release)]);;
+   esac],
+  [case AC_PACKAGE_VERSION in
     *svn*) lyx_devel_version=yes
+          build_type=development;;
+    *pre*|*alpha*|*beta*|*rc*) lyx_prerelease=yes
+          build_type=prerelease;;
+   esac])
+AC_MSG_RESULT([$build_type])
+if test $lyx_devel_version == yes ; then
            AC_DEFINE(DEVEL_VERSION, 1, [Define if you are building a development version of LyX])
            LYX_DATE="not released yet"
-         echo "WARNING: This is a development version. Expect bugs.";;
+fi
-  *pre*|*alpha*|*beta*|*rc*) lyx_prerelease=yes
-        echo "WARNING: This is a prerelease. Be careful and backup your documents.";;
-esac
 AC_SUBST(lyx_devel_version)])