[SCM] GNU M4 source repository branch, branch-1.4, updated. v1.4.10-39-g7d4e871

[Eric Blake]

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- Log -----------------------------------------------------------------
commit 7d4e87119e02c8478df678779b5f99fe13a3c3d9
Author: Eric Blake <address@hidden>
Date:   Sat Mar 29 20:57:19 2008 -0600

    Fix testsuite on mingw, OpenBSD.
    
    * src/format.c (ARG_DOUBLE): Use strtod, not atof.
    * src/Makefile.am (m4_LDADD): Use POW_LIB when needed.
    * doc/m4.texinfo (Format): Add hex-float support.
    * NEWS: Document this.
    
    Signed-off-by: Eric Blake <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog       |    8 ++++++++
 NEWS            |    4 ++++
 doc/m4.texinfo  |    2 ++
 src/Makefile.am |    4 ++--
 src/format.c    |    4 ++--
 5 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f473358..2c9b114 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-03-29  Eric Blake  <address@hidden>
+
+       Fix testsuite on mingw, OpenBSD.
+       * src/format.c (ARG_DOUBLE): Use strtod, not atof.
+       * src/Makefile.am (m4_LDADD): Use POW_LIB when needed.
+       * doc/m4.texinfo (Format): Add hex-float support.
+       * NEWS: Document this.
+
 2008-03-27  Eric Blake  <address@hidden>
 
        Pull other useful doc fixes from branch-1.6.
diff --git a/NEWS b/NEWS
index 6132a4c..a9020c8 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,10 @@ Foundation, Inc.
    now issued if this is attempted, although a future version of M4 may
    lift this restriction to match other implementations.
 
+** Enhance the `format' builtin to parse all C99 floating point numbers,
+   even on platforms where strtod is lacking.  This fixes testsuite
+   failures introduced in 1.4.9b.
+
 ** A number of portability improvements inherited from gnulib.
 
 * Noteworthy changes in Version 1.4.10 (2007-07-09) [stable]
diff --git a/doc/m4.texinfo b/doc/m4.texinfo
index b00b334..02e0f6d 100644
--- a/doc/m4.texinfo
+++ b/doc/m4.texinfo
@@ -5477,6 +5477,8 @@ ifelse(format(`%.1A', `1.999'), `0X1.0P+1', `success',
        format(`%.1A', `1.999'), `0X2.0P+0', `success',
        format(`%.1A', `1.999'))
 @result{}success
+format(`%g', `0xa.P+1')
address@hidden
 @end example
 
 Using the @code{forloop} macro defined earlier (@pxref{Forloop}), this
diff --git a/src/Makefile.am b/src/Makefile.am
index 4d061c7..f2c1524 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile.am - template for generating Makefile via Automake
 ##
-## Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+## Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
 ##
 ## This file is part of GNU M4.
 ##
@@ -27,4 +27,4 @@ macro.c output.c path.c symtab.c
 if STACKOVF
 m4_SOURCES += stackovf.c
 endif
-m4_LDADD = ../lib/libm4.a $(LIBM4_LIBDEPS)
+m4_LDADD = ../lib/libm4.a $(LIBM4_LIBDEPS) $(POW_LIB)
diff --git a/src/format.c b/src/format.c
index afb3876..c450f0c 100644
--- a/src/format.c
+++ b/src/format.c
@@ -1,6 +1,6 @@
 /* GNU m4 -- A simple macro processor
 
-   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 2006, 2007
+   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 2006, 2007, 2008
    Free Software Foundation, Inc.
 
    This file is part of GNU M4.
@@ -41,7 +41,7 @@
 
 #define ARG_DOUBLE(argc, argv) \
        ((argc == 0) ? 0 : \
-        (--argc, argv++, atof (TOKEN_DATA_TEXT (argv[-1]))))
+        (--argc, argv++, strtod (TOKEN_DATA_TEXT (argv[-1]), NULL)))
 
 
 /*------------------------------------------------------------------.


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