subversion

Summary of changes:

** Split standards-compliance mode and maintainer mode compiler flags

   out of CFLAGS, so that compilation command lines that do not

   generate (too many) warnings or are not forced to comply with ISO

   C '90 can be constructed without having to resort to stripping

   individual flags out of CFLAGS.

   $ svn diff -r1424288:1424822 \

     ^/subversion/branches/tweak-build-take-two/configure.ac \

     ^/subversion/branches/tweak-build-take-two/aclocal.m4 \

     ^/subversion/branches/tweak-build-take-two/build/ac-macros/compiler.m4 \

     ^/subversion/branches/tweak-build-take-two/Makefile.in

** Now that warning and standards-compliance mode macros are no

   longer part of CFLAGS, stop stripping them in the Swig wrapper

   configury, except for Ruby, which is more delicate.

   $ svn diff -r1424329:1425040 \

     ^/subversion/branches/tweak-build-take-two/build/ac-macros/swig.m4

** Allow optimization and debugging to coexist, including in

   maintainer mode, adding a new configure option

   --enable-optimize. Neither --enable-optimize nor --enable-debug

   will override any optimization or debugging flags set by the user

   in C(XX)FLAGS at configure time. If debugging and optimization are

   enabled at the same time, we will try to use -O1, then -O; if

   debuggin is not enabled, we will try -O2 first.

   $ svn diff -c1424860 \

     ^/subversion/branches/tweak-build-take-two/configure.ac

** Remove an obsolete autoconf macro that was not used anywhere and

   is superceded with SVN_CFLAGS_ADD_IFELSE.

   $ svn diff -c1424297 \

     ^/subversion/branches/tweak-build-take-two/build/ac-macros/svn-macros.m4

** Move the sqlite-amalgamation directory from the root of the source tree

   under subversion/include/private to make include paths safer from

   possible collision with sqlite include files from other install locations.

   $ svn diff -c1425050 \

     ^/subversion/branches/tweak-build-take-two

** Allow a user to set a custom set of compiler flags at configure time that

   are used for Subversion sources, but not, e.g., Swig-generated sources,

   like this:

   $ ./configure CUSERFLAGS=--flags-for-C CXXUSERFLAGS=--flags-for-C++

   $ svn diff -c1425086 \

     ^/subversion/branches/tweak-build-take-two

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