Build TinyCC

build-tcc.sh

#!/bin/bash

set -e

PATH="$(pwd)/tinycc/temp:$(pwd)/tinycc/build/bin:$(pwd)/google-ndk:$(pwd)/google-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin:${PATH}"

if [[ -d tinycc ]]; then
    rm -rf tinycc
fi

git clone --depth=1 https://repo.or.cz/tinycc.git

cd tinycc

patch -p1 < ../patches/tinycc/libtcc.c.patch
patch -p1 < ../patches/tinycc/tccelf.c.patch

PREFIX='<TinyCC Prefix>'

build() {
    mkdir -p temp
    echo '#!/bin/bash' > ./temp/$1-clang
    echo "$2-clang \"\$@\"" >> ./temp/$1-clang
    chmod +x ./temp/$1-clang

    if [[ "$4" = "armeabi-v7a" ]] || [[ "$4}" = "x86" ]]; then
        ELF_INTERPRETER_PATH='/system/bin/linker'
        ANDROID_LIB_PATH='/system/lib:/system/vendor/lib'
    else
        ELF_INTERPRETER_PATH='/system/bin/linker64'
        ANDROID_LIB_PATH='/system/lib64:/system/vendor/lib64'
    fi

    ./configure --prefix="/tmp/tcc.$3" \
        --cpu=$3
    make tcc
    mv -f tcc tcc.$3
    make distclean

    ./configure --prefix="${PREFIX}" \
        --cross-prefix="$1-" \
        --cc=clang \
        --cpu="$3" \
        --disable-rpath \
        --elfinterp="${ELF_INTERPRETER_PATH}" \
        --crtprefix="${PREFIX}/lib" \
        --sysincludepaths="${PREFIX}/include:${PREFIX}/include/$1:${PREFIX}/lib/tcc/include" \
        --libpaths="${PREFIX}/lib:${PREFIX}/lib/tcc:${ANDROID_LIB_PATH}"

    mv tcc.$3 tcc
    touch -d "next minute" tcc
    make libtcc1.a

    rm -f tcc
    make tcc

    ./configure --prefix="$(pwd)/build-$4"
    make install

    mkdir -p build-$4/lib

    mkdir -p build-$4/include

	cp -Rf ../google-ndk/sysroot/usr/include/. \
		build-$4/include
	echo -e '#define __va_list\n'"$(cat build-$4/include/sys/types.h)" > build-$4/include/sys/types.h

    if [[ $5 = "x86_64" ]]; then
        cp -Rf ../google-ndk/platforms/android-21/arch-$5/usr/lib64/* \
            build-$4/lib
	else
	    cp -Rf ../google-ndk/platforms/android-21/arch-$5/usr/lib/* \
            build-$4/lib
	fi

    make distclean clean
}

build arm-linux-androideabi armv7a-linux-androideabi21 armv7a armeabi-v7a arm
build aarch64-linux-android aarch64-linux-android21 aarch64 arm64-v8a arm64
build i686-linux-android i686-linux-android21 x86 x86 x86
build x86_64-linux-android x86_64-linux-android21 x86_64 x86_64 x86_64

cd ../

#rm -rf tinycc

libtcc.c.patch

diff -uNr tcc/libtcc.c tcc/libtcc.c
--- tcc/libtcc.c	2017-12-17 10:27:05.000000000 +0200
+++ tcc/libtcc.c	2018-08-09 19:25:44.086756864 +0300
@@ -974,9 +974,20 @@
     /* add libc crt1/crti objects */
     if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) &&
         !s->nostdlib) {
-        if (output_type != TCC_OUTPUT_DLL)
+
+#ifdef __ANDROID__
+        if (output_type != TCC_OUTPUT_DLL) {
+            tcc_add_crt(s, "crtbegin_dynamic.o");
+        } else {
+            tcc_add_crt(s, "crtbegin_so.o");
+        }
+#else
+        if (output_type != TCC_OUTPUT_DLL) {
             tcc_add_crt(s, "crt1.o");
+        }
         tcc_add_crt(s, "crti.o");
+#endif // __ANDROID__
+
     }
 #endif
     return 0;

tccelf.c.patch

diff -uNr tcc/tccelf.c tcc/tccelf.c
--- tcc/tccelf.c	2017-12-17 10:27:05.000000000 +0200
+++ tcc/tccelf.c	2018-08-09 19:28:33.036752853 +0300
@@ -1202,8 +1202,17 @@
 #endif
         tcc_add_support(s1, TCC_LIBTCC1);
         /* add crt end if not memory output */
-        if (s1->output_type != TCC_OUTPUT_MEMORY)
+        if (s1->output_type != TCC_OUTPUT_MEMORY) {
+#ifdef __ANDROID__
+            if (s1->output_type == TCC_OUTPUT_DLL) {
+                tcc_add_crt(s1, "crtend_so.o");
+            } else {
+                tcc_add_crt(s1, "crtend_android.o");
+            }
+#else
             tcc_add_crt(s1, "crtn.o");
+#endif
+        }
     }
 #endif
 }