run

#!/usr/bin/env sh

set -e

CPPFLAGS="
-Iinclude
-Iandroid
-Isrc/raylib
-Isrc/tinycthread

-D_DEFAULT_SOURCE
-DPLATFORM_ANDROID
-DGRAPHICS_API_OPENGL_ES2
"

CFLAGS="-Wall -Wextra -Wpedantic -std=c11 -fpic"
CXXFLAGS="-Wall -Wextra -Wpedantic -std=c++14 -fpic"

LDFLAGS="-shared -u ANativeActivity_onCreate -Wl,--no-undefined"
LDLIBS="-llog -landroid -lEGL -lGLESv2 -lOpenSLES -lm"

RAYLIB_SRCS="
src/raylib/rcore.c
src/raylib/rshapes.c
src/raylib/rtextures.c
src/raylib/rtext.c
src/raylib/utils.c
src/raylib/rmodels.c
src/raylib/raudio.c
"

SRCS="
src/main.cpp

$RAYLIB_SRCS
"

OBJS=""

LIB="/sdcard/libmain.so"

for src in $SRCS; do
    obj="${src%%.c}"
    obj="obj/${obj%%.cpp}.o"
    OBJS="$OBJS $obj"

    mkdir -p $(dirname $obj)

    [ ! -e $obj -o $obj -ot $src ] || continue
    case ${src##*.} in
        cpp | cc)
            CC=clang++
            FLAGS=$CXXFLAGS
            ;;
        c)
            CC=clang
            FLAGS=$CFLAGS
            ;;
    esac

    echo "Compiling $src into $obj..."
    $CC -c $src $CPPFLAGS $FLAGS -o $obj
done

echo "Building libmain.so..."
for obj in $OBJS; do
    if  [ ! -e $LIB -o $obj -nt $LIB ]; then
        clang $OBJS $LDFLAGS $LDLIBS -o $LIB
        break
    fi
done