Added support for custom command for tarball compression

1 files changed, 20 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index bf9ca7b4..37d058b6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -60,13 +60,32 @@ dist-hook: dist-po
         @if test -w '$(distdir)/m4/c_backported.m4'; then \
           echo "Use empty m4/c_backported.m4 for dist target"; \
           touch -r '$(distdir)/m4/c_backported.m4' '$(distdir)/m4/c_backported.m4-tmst' && \
-            echo '# Not used for distribution' > '$(distdir)/m4/c_backported.m4' && \
+            echo 'dnl Not used for distribution' > '$(distdir)/m4/c_backported.m4' && \
             touch -r '$(distdir)/m4/c_backported.m4-tmst' '$(distdir)/m4/c_backported.m4' && \
             rm -f '$(distdir)/m4/c_backported.m4-tmst'; \
         else \
           true; \
         fi
 
+dist-custm: distdir
+        @test -n "$(ARC_CMD)" || \
+          { echo 'The valid archive command must be defined by "ARC_CMD".' >&2; false; }
+        @test -n "$(ARC_EXT)" || \
+          { echo 'The archive file extention must be set by "ARC_EXT".' >&2; false; }
+        -rm -f '$(distdir).$(ARC_EXT)'
+        tardir=$(distdir) && $(am__tar) | $(ARC_CMD) >$(distdir).$(ARC_EXT)
+        $(am__post_remove_distdir)
+
+dist-custm2: distdir
+        @test -n "$(ARC_CMD)" || \
+          { echo 'The valid archive command must be defined by "ARC_CMD".' >&2; false; }
+        @test -n "$(ARC_EXT)" || \
+          { echo 'The archive file extention must be set by "ARC_EXT".' >&2; false; }
+        -rm -f '$(distdir).$(ARC_EXT)'
+        tardir=$(distdir) && $(am__tar) >$(distdir).tar && $(ARC_CMD) $(distdir).tar
+        rm -f $(distdir).tar
+        $(am__post_remove_distdir)
+
 pre-dist-hook: pre-dist-hook-doc
         @echo "Preparing to make dist"