work without gettext commands

Seems in certian cases (which I cannot entirely reproduce), gettext
commands run during build even from a clean tree. Make these nonfatal.

diff --git a/po/Makefile b/po/Makefile
index dfb018c81eea6377d901a65d11b783f1de0c6883..97fc0bca9bf3ce5da9ec309565e3dad7a7b6043e 100644 (file)
--- a/po/Makefile
+++ b/po/Makefile
@@ -41,19 +41,22 @@ clean:
        find underlays -name \*.mdwn -or -name \*.pot | xargs rm -f
 
 %.mo: %.po
-       msgfmt -o $@ $<
+       @if ! msgfmt -o $@ $<; then echo "unable to run msgfmt"; fi
 
 %.po: ikiwiki.pot
        @echo -n "Merging ikiwiki.pot and $@"
-       @msgmerge $@ ikiwiki.pot -o $@.new 2>&1
-# Typically all that changes was a date or line number. I'd prefer not to
+# Typically all that changes is a date or line number. I'd prefer not to
 # commit such changes, so detect and ignore them.
-       @if [ "`diff $@ $@.new | grep '[<>]' | grep -v '[<>] #:' | wc -l`" -ne 2 ]; then \
-               mv -f $@.new $@; \
-       else \
-               rm -f $@.new; \
+       @if ! msgmerge $@ ikiwiki.pot -o $@.new 2>&1; then
+               echo "unable to run msgmerge"; \
+       else; \
+               if [ "`diff $@ $@.new | grep '[<>]' | grep -v '[<>] #:' | wc -l`" -ne 2 ]; then \
+                       mv -f $@.new $@; \
+               else \
+                       rm -f $@.new; \
+               fi
+               @msgfmt --statistics $@ 2>&1
        fi
-       @msgfmt --statistics $@ 2>&1
 
 check:
        @for file in $(POFILES); do \