* Makefile.in (bootstrap): Set MAKEFILE_NAME when building Makefile,

to avoid problems with recursion when using GNU make.

2 files changed, 10 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 2b1b2f2915c..c0f40b92c90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-09-23  Paul Eggert  <eggert@cs.ucla.edu>
+
+        * Makefile.in (bootstrap): Set MAKEFILE_NAME when building Makefile,
+        to avoid problems with recursion when using GNU make.
+
 2012-09-22  Paul Eggert  <eggert@cs.ucla.edu>
 
         * Makefile.in (bootstrap): Simplify build procedure.
diff --git a/Makefile.in b/Makefile.in
index 542c30bbab7..571013e3244 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -355,6 +355,10 @@ blessmail: Makefile src FRC
 # config.status overrides MAKEFILE_NAME with a bogus name when creating
 # src/epaths.h, so that 'make epaths-force' does not recursively invoke
 # config.status and overwrite config.status while executing it (Bug#11214).
+#
+# 'make bootstrap' overrides MAKEFILE_NAME to a nonexistent file but
+# then attempts to build that file.  This forces 'Makefile', 'lib/Makefile',
+# etc. to be built without running into similar recursion problems.
 MAKEFILE_NAME = Makefile
 $(MAKEFILE_NAME): config.status $(srcdir)/src/config.in \
           $(srcdir)/Makefile.in $(SUBDIR_MAKEFILES_IN)
@@ -895,7 +899,7 @@ dvi:
 #  * Do the actual build.
 bootstrap: bootstrap-clean FRC
         cd $(srcdir) && { ./autogen.sh || autogen/copy_autogen; }
-        $(MAKE) $(MFLAGS) Makefile
+        $(MAKE) $(MFLAGS) MAKEFILE_NAME=force-Makefile force-Makefile
         $(MAKE) $(MFLAGS) info all
 
 .PHONY: check-declare