libpopt: fix hardcoded paths

packages/libpopt/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://www.linuxfromscratch.org/blfs/view/svn/general/popt.html
 TERMUX_PKG_DESCRIPTION="Library for parsing cmdline parameters"
 TERMUX_PKG_VERSION=1.16
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SRCURL=http://rpm5.org/files/popt/popt-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=e728ed296fe9f069a0e005003c3d6b2dde3d9cad453422a10d6558616d304cc8
 TERMUX_PKG_DEPENDS="libandroid-glob"

packages/libpopt/fix-hardcoded-paths.patch

@@ -0,0 +1,27 @@
+diff -uNr popt-1.16/poptconfig.c popt-1.16.mod/poptconfig.c
+--- popt-1.16/poptconfig.c	2009-05-20 16:18:07.000000000 +0300
++++ popt-1.16.mod/poptconfig.c	2017-09-12 12:08:55.442990190 +0300
+@@ -499,7 +499,7 @@
+ int poptReadDefaultConfig(poptContext con, /*@unused@*/ UNUSED(int useEnv))
+ {
+     static const char _popt_sysconfdir[] = POPT_SYSCONFDIR "/popt";
+-    static const char _popt_etc[] = "/etc/popt";
++    static const char _popt_etc[] = "@TERMUX_PREFIX@/etc/popt";
+     char * home;
+     struct stat sb;
+     int rc = 0;		/* assume success */
+@@ -515,12 +515,12 @@
+     if (rc) goto exit;
+ 
+ #if defined(HAVE_GLOB_H)
+-    if (!stat("/etc/popt.d", &sb) && S_ISDIR(sb.st_mode)) {
++    if (!stat("@TERMUX_PREFIX@/etc/popt.d", &sb) && S_ISDIR(sb.st_mode)) {
+ 	const char ** av = NULL;
+ 	int ac = 0;
+ 	int i;
+ 
+-	if ((rc = poptGlob(con, "/etc/popt.d/*", &ac, &av)) == 0) {
++	if ((rc = poptGlob(con, "@TERMUX_PREFIX@/etc/popt.d/*", &ac, &av)) == 0) {
+ 	    for (i = 0; rc == 0 && i < ac; i++) {
+ 		const char * fn = av[i];
+ 		if (fn == NULL || strstr(fn, ".rpmnew") || strstr(fn, ".rpmsave"))