diff options
Diffstat (limited to 'src/Makefile.am')
| -rw-r--r-- | src/Makefile.am | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 9ffe249ee..e6c00c943 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -78,9 +78,11 @@ subversion_versioninfo.cpp: svninfo echo "const unsigned ::CVC4::Configuration::SUBVERSION_REVISION = $$rev;"; \ echo "const bool ::CVC4::Configuration::SUBVERSION_HAS_MODIFICATIONS = $$mods;"; \ ) >"$@" +# This .tmp business is to keep from having to re-compile options.cpp +# (and then re-link the libraries) if nothing has changed. svninfo: svninfo.tmp $(AM_V_GEN)diff -q svninfo.tmp svninfo &>/dev/null || mv svninfo.tmp svninfo || true -# .PHONY ensures it's always rebuilt +# .PHONY ensures the .tmp version is always rebuilt (to check for any changes) .PHONY: svninfo.tmp svninfo.tmp: $(AM_V_GEN)(cd "$(top_srcdir)" && svn info && echo "Modifications: `test -z \"\`svn status -q\`\" && echo false || echo true`") >"$@" 2>/dev/null || true |