add(main): new package chicken

Closes #10845

Signed-off-by: Aditya Alok <dev.aditya.alok@gmail.com>

packages/chicken/Makefile.android.patch

@@ -0,0 +1,25 @@
+--- ./Makefile.android.orig	2022-05-29 07:35:44.708983344 +0000
++++ ./Makefile.android	2022-05-29 10:03:05.522168915 +0000
+@@ -31,7 +31,7 @@
+
+ # options
+
+-C_COMPILER_OPTIONS ?= -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H
++C_COMPILER_OPTIONS ?= -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H $(CFLAGS)
+ ifdef DEBUGBUILD
+ C_COMPILER_OPTIMIZATION_OPTIONS ?= -g -Wall -Wno-unused
+ else
+@@ -46,11 +46,11 @@
+ LINKER_LINK_SHARED_PROGRAM_OPTIONS = -Wl,-rpath="$(RUNTIME_LINKER_PATH)"
+ # Android NDK build system currently does not understand
+ # versioned sonames, so don't try to embed a soname.
+-#LIBCHICKEN_SO_LINKER_OPTIONS = -Wl,-soname,lib$(PROGRAM_PREFIX)chicken$(PROGRAM_SUFFIX).so.$(BINARYVERSION)
+-LIBRARIES = -lm -ldl -llog
++LIBCHICKEN_SO_LINKER_OPTIONS = -Wl,-soname,lib$(PROGRAM_PREFIX)chicken$(PROGRAM_SUFFIX).so.$(BINARYVERSION)
++LIBRARIES = -lm -ldl
+ NEEDS_RELINKING = yes
+ # See above
+-#USES_SONAME = yes
++USES_SONAME = yes
+
+ # special files

packages/chicken/build.sh

@@ -0,0 +1,20 @@
+TERMUX_PKG_HOMEPAGE=https://www.call-cc.org
+TERMUX_PKG_DESCRIPTION="A feature rich Scheme compiler and interpreter"
+TERMUX_PKG_LICENSE="BSD"
+TERMUX_PKG_LICENSE_FILE="LICENSE"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=5.3.0
+TERMUX_PKG_SRCURL=https://code.call-cc.org/releases/${TERMUX_PKG_VERSION}/chicken-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=c3ad99d8f9e17ed810912ef981ac3b0c2e2f46fb0ecc033b5c3b6dca1bdb0d76
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_EXTRA_MAKE_ARGS="PLATFORM=android"
+
+termux_step_pre_configure() {
+	local ARCH="${TERMUX_ARCH/_/-}" # Replace '_' in x86_64 with '-'.
+	if [[ "${TERMUX_ARCH}" == "i686" ]]; then
+		ARCH="x86"
+	fi
+	TERMUX_PKG_EXTRA_MAKE_ARGS+=" ARCH=${ARCH}"
+
+	export C_COMPILER="$CC"
+}

packages/chicken/runtime.c.patch

@@ -0,0 +1,27 @@
+--- ./runtime.c.orig	2022-05-29 09:26:50.789444359 +0000
++++ ./runtime.c	2022-05-29 09:27:41.589413742 +0000
+@@ -37,10 +37,6 @@
+ # include <sysexits.h>
+ #endif
+
+-#ifdef __ANDROID__
+-# include <android/log.h>
+-#endif
+-
+ #if !defined(PIC)
+ # define NO_DLOAD2
+ #endif
+@@ -606,14 +602,10 @@
+   va_list va;
+
+   va_start(va, fstr);
+-#ifdef __ANDROID__
+-  __android_log_vprint(ANDROID_LOG_DEBUG, prefix, fstr, va);
+-#else
+   C_fflush(C_stdout);
+   C_fprintf(C_stderr, "[%s] ", prefix);
+   C_vfprintf(C_stderr, fstr, va);
+   C_fflush(C_stderr);
+-#endif
+   va_end(va);
+ }