gdb: fix default editor for command 'edit'

packages/gdb/build.sh

@@ -2,6 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/gdb/
 TERMUX_PKG_DESCRIPTION="The standard GNU Debugger that runs on many Unix-like systems and works for many programming languages"
 TERMUX_PKG_DEPENDS="liblzma, libexpat, readline, ncurses, libmpfr"
 TERMUX_PKG_VERSION=8.1
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SHA256=af61a0263858e69c5dce51eab26662ff3d2ad9aa68da9583e8143b5426be4b34
 TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/gdb/gdb-${TERMUX_PKG_VERSION}.tar.xz
 # gdb can not build with our normal --disable-static: https://sourceware.org/bugzilla/show_bug.cgi?id=15916

packages/gdb/cli-cmds.c.patch

@@ -0,0 +1,21 @@
+diff -uNr gdb-8.1/gdb/cli/cli-cmds.c gdb-8.1.mod/gdb/cli/cli-cmds.c
+--- gdb-8.1/gdb/cli/cli-cmds.c	2018-01-05 06:07:23.000000000 +0200
++++ gdb-8.1.mod/gdb/cli/cli-cmds.c	2018-06-19 19:21:22.451443520 +0300
+@@ -731,7 +731,7 @@
+       close_most_fds ();
+ 
+       if ((user_shell = (char *) getenv ("SHELL")) == NULL)
+-	user_shell = "/bin/sh";
++	user_shell = "@TERMUX_PREFIX@/bin/sh";
+ 
+       /* Get the name of the shell for arg0.  */
+       p = lbasename (user_shell);
+@@ -851,7 +851,7 @@
+     }
+ 
+   if ((editor = (char *) getenv ("EDITOR")) == NULL)
+-      editor = "/bin/ex";
++      editor = "@TERMUX_REFIX@/bin/applets/vi";
+ 
+   fn = symtab_to_fullname (sal.symtab);
+ 

packages/gdb/cli_cmds_c_bin_sh.patch

@@ -1,12 +0,0 @@
-diff -u -r ../gdb-7.6.2/gdb/cli/cli-cmds.c ./gdb/cli/cli-cmds.c
---- ../gdb-7.6.2/gdb/cli/cli-cmds.c	2013-12-08 05:33:13.000000000 +0100
-+++ ./gdb/cli/cli-cmds.c	2014-01-07 16:43:01.862311352 +0100
-@@ -722,7 +722,7 @@
-       const char *p, *user_shell;
- 
-       if ((user_shell = (char *) getenv ("SHELL")) == NULL)
--	user_shell = "/bin/sh";
-+	user_shell = "@TERMUX_PREFIX@/bin/sh";
- 
-       /* Get the name of the shell for arg0.  */
-       p = lbasename (user_shell);