shc: fix tmpdir and compiler command

packages/shc/build.sh

@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Shell script compiler"
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_MAINTAINER="Krishna Kanhaiya @kcubeterm"
 TERMUX_PKG_VERSION=4.0.3
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SRCURL=https://github.com/neurobin/shc/archive/${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=7d7fa6a9f5f53d607ab851d739ae3d3b99ca86e2cb1425a6cab9299f673aee16
 TERMUX_PKG_DEPENDS="clang"

packages/shc/src-shc.c.patch

@@ -0,0 +1,55 @@
+diff -uNr shc-4.0.3/src/shc.c shc-4.0.3.mod/src/shc.c
+--- shc-4.0.3/src/shc.c	2019-07-01 19:37:08.000000000 +0300
++++ shc-4.0.3.mod/src/shc.c	2020-05-07 15:01:57.944329115 +0300
+@@ -153,7 +153,7 @@
+ "\" * Copyright 2019 - Intika <intika@librefox.org>\",",
+ "\" * Replace ******** with secret read from fd 21\",",
+ "\" * Also change arguments location of sub commands (sh script commands)\",",
+-"\" * gcc -Wall -fpic -shared -o shc_secret.so shc_secret.c -ldl\",",
++"\" * clang -Wall -fpic -shared -o shc_secret.so shc_secret.c -ldl\",",
+ "\" */\",",
+ "\"\",",
+ "\"#define _GNU_SOURCE /* needed to get RTLD_NEXT defined in dlfcn.h */\",",
+@@ -365,7 +365,7 @@
+ "    FILE *fp;",
+ "    int line = 0;",
+ "",
+-"    if ((fp = fopen(\"/tmp/shc_x.c\", \"w\")) == NULL ) {exit(1); exit(1);}",
++"    if ((fp = fopen(\"@TERMUX_PREFIX@/tmp/shc_x.c\", \"w\")) == NULL ) {exit(1); exit(1);}",
+ "    for (line = 0; shc_x[line]; line++)	fprintf(fp, \"%s\\n\", shc_x[line]);",
+ "    fflush(fp);fclose(fp);",
+ "}",
+@@ -375,11 +375,11 @@
+ "    char cmd[4096];",
+ "",
+ "	cc = getenv(\"CC\");",
+-"	if (!cc) cc = \"cc\";",
++"	if (!cc) cc = \"clang\";",
+ "",
+-"	sprintf(cmd, \"%s %s -o %s %s\", cc, \"-Wall -fpic -shared\", \"/tmp/shc_x.so\", \"/tmp/shc_x.c -ldl\");",
+-"	if (system(cmd)) {remove(\"/tmp/shc_x.c\"); return -1;}",
+-"	remove(\"/tmp/shc_x.c\"); return 0;",
++"	sprintf(cmd, \"%s %s -o %s %s\", cc, \"-Wall -fpic -shared\", \"@TERMUX_PREFIX@/tmp/shc_x.so\", \"@TERMUX_PREFIX@/tmp/shc_x.c -ldl\");",
++"	if (system(cmd)) {remove(\"@TERMUX_PREFIX@/tmp/shc_x.c\"); return -1;}",
++"	remove(\"@TERMUX_PREFIX@/tmp/shc_x.c\"); return 0;",
+ "}",
+ "",
+ "void arc4_hardrun(void * str, int len) {",
+@@ -396,7 +396,7 @@
+ "    shc_x_file();",
+ "    if (make()) {exit(1);}",
+ "",
+-"    setenv(\"LD_PRELOAD\",\"/tmp/shc_x.so\",1);",
++"    setenv(\"LD_PRELOAD\",\"@TERMUX_PREFIX@/tmp/shc_x.so\",1);",
+ "",
+ "    if(pid==0) {",
+ "",
+@@ -429,7 +429,7 @@
+ "        memcpy(tmp2, str, lentmp);",
+ "",
+ "        //Clean temp",
+-"        remove(\"/tmp/shc_x.so\");",
++"        remove(\"@TERMUX_PREFIX@/tmp/shc_x.so\");",
+ "",
+ "        //Sinal to detach ptrace",
+ "        ptrace(PTRACE_DETACH, 0, 0, 0);",