no need to compile default.cc for every run, so we ll check for a

change of the revision-number

1 files changed, 14 insertions, 10 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index eb81f3d..6631587 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -35,18 +35,22 @@ bin_PROGRAMS= fluxbox
 BUILT_SOURCES = defaults.hh
 CONFIG_CLEAN_FILES = defaults.hh
 defaults.hh: Makefile
-        echo '// This file is generated from makefile. Do not edit!' > defaults.hh
-        echo '#define DEFAULTMENU "$(DEFAULT_MENU)"' >> defaults.hh
-        echo '#define DEFAULTSTYLE "$(DEFAULT_STYLE)"' >> defaults.hh
-        echo '#define DEFAULTKEYSFILE "$(DEFAULT_KEYSFILE)"' >> defaults.hh
-        echo '#define DEFAULT_INITFILE "$(DEFAULT_INITFILE)"' >> defaults.hh
-        echo '#define LOCALEPATH "$(pkgdatadir)/nls"' >> defaults.hh
-        echo 'const char* svnversion(void);' >> defaults.hh
+        @( \
+                echo '// This file is generated from Makefile. Do not edit!'; \
+                echo '#define DEFAULTMENU "$(DEFAULT_MENU)"'; \
+                echo '#define DEFAULTSTYLE "$(DEFAULT_STYLE)"'; \
+                echo '#define DEFAULTKEYSFILE "$(DEFAULT_KEYSFILE)"'; \
+                echo '#define DEFAULT_INITFILE "$(DEFAULT_INITFILE)"'; \
+                echo '#define LOCALEPATH "$(pkgdatadir)/nls"'; \
+                echo 'const char* svnversion(void);' ) > defaults.hh
 
 defaults.cc: force
-        echo 'const char* svnversion(void) {' > defaults.cc
-        echo '  return "'`(svnversion . | sed "s/[^0-9].*//") 2> /dev/null`'";' >> defaults.cc
-        echo '}' >> defaults.cc
+        @( \
+                echo 'const char* svnversion(void) {'; \
+                echo '  return "'`(svnversion . | sed "s/[^0-9].*//") 2> /dev/null`'";';\
+                echo '}' ) > defaults_tmp.cc
+        @if ! cmp defaults_tmp.cc defaults.cc ; then cp defaults_tmp.cc defaults.cc; fi
+        @rm defaults_tmp.cc
 
 force: ;