From: Steven G. Johnson <stevenj@alum.mit.edu>
Date: Wed, 12 Dec 2001 04:31:12 +0000 (+0000)
Subject: Fix failed C/Fortran linking on HP/UX, by extracting the Fortran
X-Git-Tag: AUTOCONF-2.52g~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17df4ecdf89c3e723ca407091618dc37d5de8271;p=thirdparty%2Fautoconf.git

Fix failed C/Fortran linking on HP/UX, by extracting the Fortran
library search path from the LPATH line in the $F77 -v output.
---

diff --git a/ChangeLog b/ChangeLog
index 44a4657fd..665f9c9e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,13 +1,18 @@
+2001-12-12  Steven G. Johnson  <stevenj@alum.mit.edu>
+
+	* lib/autoconf/fortran.m4 (_AC_PROG_F77_V_OUTPUT): Fix failed
+	C/Fortran linking on HP/UX, by extracting the Fortran library
+	search path from the LPATH line in the $F77 -v output.
+	
 2001-12-12  Kevin Ryde  <user42@zip.com.au>
 
 	* doc/autoconf.texi (File Descriptors): Use a clearer layout for the
 	forbidden file descriptors table.
-
+	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
 	* bin/autoscan.in (%c_keywords): Build it at top level.
 	Map to 1 in order to simplify its uses.
-
 	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
@@ -20,7 +25,6 @@
 	because of `lex$U.$(OBJEXT)'.
 	(&scan_files): Use "@list" instead of join.
 	* doc/Makefile.am (CLEANFILES): Add *.fns.
-
 	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
@@ -35,7 +39,6 @@
 
 	* bin/autoscan.in (used): New.
 	Use it.
-
 	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
@@ -44,14 +47,12 @@
 	(&scan_sh_file): Remove a duplicate pattern.
 	(&check_configure_ac): Use long options.
 	* lib/autoscan/headers (alloca.h): Check with AC_FUNC_ALLOCA.
-
 	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
 	* bin/autoscan.in (scan_c_file): Fix the handling of C comments.
 	Before, having a line containing the opening of a multi line
 	comment made the whole line be ignored.
-
 	
 2001-11-26  Akim Demaille  <akim@epita.fr>
 
diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 6e2f56d4f..5dd704e4f 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -384,6 +384,13 @@ if echo $ac_f77_v_output | grep xlfentry >/dev/null 2>&1; then
   ac_f77_v_output=`echo $ac_f77_v_output | sed 's/,/ /g'`
 fi
 
+# On HP/UX there is a line like: "LPATH is: /foo:/bar:/baz" where
+# /foo, /bar, and /baz are search directories for the Fortran linker.
+# Here, we change these into -L/foo -L/bar -L/baz:
+ac_f77_v_output="`echo $ac_f77_v_output | 
+	grep 'LPATH is:' |
+	sed 's,.*LPATH is\(: *[[^ ]]*\).*,\1,;s,: */, -L/,g'` $ac_f77_v_output"
+
 # If we are using Cray Fortran then delete quotes.
 # Use "\"" instead of '"' for font-lock-mode.
 # FIXME: a more general fix for quoted arguments with spaces?