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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-03-03 09:38:40 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-03-03 09:38:40 (GMT)
commita48c63f36b48bdad1cfea978b58410fc70fada7a (patch)
tree4f20ff4a932659300910e0c699d6735a13d8a07b /win32/ifchange.bat
parent813a901a5e01675e548a2fd3ede472f9a2572bc3 (diff)
* {bcc32,win32,wince}/Makefile.sub (config.h): check if affected
when makefiles are modified. * {bcc32,win32,wince}/Makefile.sub (config.status): add variables for tests. * win32/ifchange.bat: try to update a file only if modified. * win32/resource.rb: more descriptions. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32/ifchange.bat')
-rwxr-xr-xwin32/ifchange.bat30
1 files changed, 30 insertions, 0 deletions
diff --git a/win32/ifchange.bat b/win32/ifchange.bat
new file mode 100755
index 0000000..61a80c8
--- /dev/null
+++ b/win32/ifchange.bat
@@ -0,0 +1,30 @@
+@echo off
+:: usage: ifchange target temporary
+
+:: check if fc.exe works.
+echo foo > conftest1.tmp
+echo bar > conftest2.tmp
+fc.exe conftest1.tmp conftest2.tmp > nul
+if not errorlevel 1 goto :brokenfc
+
+:: target does not exist or new file differs from it.
+if not exist %1 goto :update
+fc.exe %1 %2 > nul
+if errorlevel 1 goto :update
+
+:unchange
+echo %1 unchanged.
+del %2
+goto :end
+
+:brokenfc
+del conftest1.tmp > nul
+del conftest2.tmp > nul
+echo FC.EXE does not work properly.
+echo assuming %1 should be changed.
+
+:update
+echo %1 updated.
+if exist %1 del %1
+copy %2 %1 > nul
+:end