[emacs] Fix building without gets function, which is removed from recent version of glibc.

[Karel Klíč]

commit bfdd6c4d1ec764c0614baad9822e28e9dc399c7d
Author: Karel Klic <kklic at redhat.com>
Date:   Wed Jul 11 18:30:13 2012 +0200

    Fix building without gets function, which is removed from recent version of glibc.

 emacs-nogets.patch |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 emacs.spec         |    8 ++++++--
 2 files changed, 55 insertions(+), 2 deletions(-)
---
diff --git a/emacs-nogets.patch b/emacs-nogets.patch
new file mode 100644
index 0000000..7dc605e
--- /dev/null
+++ b/emacs-nogets.patch
@@ -0,0 +1,49 @@
+diff -up emacs-24.1/lib/stdio.in.h.nogets emacs-24.1/lib/stdio.in.h
+--- emacs-24.1/lib/stdio.in.h.nogets	2012-04-08 05:03:02.000000000 +0200
++++ emacs-24.1/lib/stdio.in.h	2012-07-11 18:25:11.120972062 +0200
+@@ -699,22 +699,11 @@ _GL_WARN_ON_USE (getline, "getline is un
+ # endif
+ #endif
+ 
+-#if @GNULIB_GETS@
+-# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
+-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+-#   undef gets
+-#   define gets rpl_gets
+-#  endif
+-_GL_FUNCDECL_RPL (gets, char *, (char *s) _GL_ARG_NONNULL ((1)));
+-_GL_CXXALIAS_RPL (gets, char *, (char *s));
+-# else
+-_GL_CXXALIAS_SYS (gets, char *, (char *s));
+-#  undef gets
+-# endif
+-_GL_CXXALIASWARN (gets);
+ /* It is very rare that the developer ever has full control of stdin,
+-   so any use of gets warrants an unconditional warning.  Assume it is
+-   always declared, since it is required by C89.  */
++   so any use of gets warrants an unconditional warning; besides, C11
++   removed it.  */
++#undef gets
++#if HAVE_RAW_DECL_GETS
+ _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+ #endif
+ 
+diff -up emacs-24.1/m4/stdio_h.m4.nogets emacs-24.1/m4/stdio_h.m4
+--- emacs-24.1/m4/stdio_h.m4.nogets	2012-04-08 05:03:02.000000000 +0200
++++ emacs-24.1/m4/stdio_h.m4	2012-07-11 18:25:48.112449063 +0200
+@@ -18,7 +18,6 @@ AC_DEFUN([gl_STDIO_H],
+   GNULIB_GETC=1
+   GNULIB_GETCHAR=1
+   GNULIB_FGETS=1
+-  GNULIB_GETS=1
+   GNULIB_FREAD=1
+   dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c"
+   dnl "expected source file, required through AC_LIBSOURCES, not found". It is
+@@ -113,7 +112,6 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
+   GNULIB_GETCHAR=0;              AC_SUBST([GNULIB_GETCHAR])
+   GNULIB_GETDELIM=0;             AC_SUBST([GNULIB_GETDELIM])
+   GNULIB_GETLINE=0;              AC_SUBST([GNULIB_GETLINE])
+-  GNULIB_GETS=0;                 AC_SUBST([GNULIB_GETS])
+   GNULIB_OBSTACK_PRINTF=0;       AC_SUBST([GNULIB_OBSTACK_PRINTF])
+   GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
+   GNULIB_PCLOSE=0;               AC_SUBST([GNULIB_PCLOSE])
diff --git a/emacs.spec b/emacs.spec
index b6ef70b..7ab9904 100644
--- a/emacs.spec
+++ b/emacs.spec
@@ -30,6 +30,9 @@ Patch3: rpm-spec-mode-changelog.patch
 Patch7: emacs-spellchecker.patch
 # rhbz#830162
 Patch8: emacs-locate-library.patch
+# Fix building without gets function, which is removed from recent
+# version of glibc.
+Patch9: emacs-nogets.patch
 
 BuildRequires: atk-devel, cairo-devel, freetype-devel, fontconfig-devel, dbus-devel, giflib-devel, glibc-devel, gtk3-devel, libpng-devel
 BuildRequires: libjpeg-devel, libtiff-devel, libX11-devel, libXau-devel, libXdmcp-devel, libXrender-devel, libXt-devel
@@ -155,6 +158,7 @@ packages that add functionality to Emacs.
 %patch0 -p1 -b .glibc-open-macro
 %patch7 -p1 -b .spellchecker
 %patch8 -p1 -b .locate-library
+%patch9 -p1 -b .nogets
 
 # Install site-lisp files
 cp %SOURCE7 %SOURCE10 site-lisp
@@ -440,8 +444,8 @@ update-desktop-database &> /dev/null || :
 
 %changelog
 * Wed Jul 11 2012 Karel Klíč <kklic at redhat.com> - 1:24.1-3
-- Fix org-mode to work without emacs-el installed.
-  rhbz#830162
+- Fix org-mode to work without emacs-el installed. rhbz#830162
+- Fix building without gets function, which is removed from recent version of glibc.
 
 * Wed Jul 11 2012 Ville Skyttä <ville.skytta at iki.fi> - 1:24.1-2
 - Build -el, -terminal, and -filesystem as noarch (rhbz#834907).