* doc/autoconf.texi (Limitations of Make): Add HP-UX IA-64 trailing

backslashes.

diff --git a/ChangeLog b/ChangeLog
index 250832b082ce2f6cb4e9a36123316c9872d36c72..81538c166794806c2c5aff877887ea889a2ce061 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-07-20  Kevin Ryde  <user42@zip.com.au>
+
+       * doc/autoconf.texi (Limitations of Make): Add HP-UX IA-64 trailing
+       backslashes.
+
 2002-07-19  Akim Demaille  <akim@epita.fr>
 
        * doc/autoconf.texi (Function Portability): `exit'.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index ddd004419172223db7f0dab7aadfe49375d27b4a..329f239e1813410dff92401f6e6e73cc56ec459d 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -10258,6 +10258,23 @@ $ @kbd{make -f Makefile2}
 this is test
 @end example
 
+@item Trailing backslash in macro
+HP-UX 11.20 on IA-64 will read multiple newlines following a
+backslash, continuing to the next non-empty line.  For example,
+
+@example
+FOO = one \
+
+BAR = two
+
+test:
+       : FOO is "$(FOO)"
+       : BAR is "$(BAR)"
+@end example
+
+shows @code{FOO} equal to @code{one BAR = two}.  Other Makes sensibly
+let a backslash continue only to the immediately following line.
+
 @item @code{make macro=value} and sub-@command{make}s.
 
 A command-line variable definition such as @code{foo=bar} overrides any