Introduce TERMUX_PKG_API_LEVEL

By setting the TERMUX_PKG_API_LEVEL property to an android api
level packages can build against later API levels than the current
Termux default of 21.

diff --git a/build-package.sh b/build-package.sh
index b3871818302fae2a3a5502d0fe7ff42879276f8f..f1c876d814be623c8dd7f1c01b45439e8224be9f 100755 (executable)
--- a/build-package.sh
+++ b/build-package.sh
@@ -184,7 +184,7 @@ termux_step_setup_variables() {
        : "${TERMUX_PREFIX:="/data/data/com.termux/files/usr"}"
        : "${TERMUX_ANDROID_HOME:="/data/data/com.termux/files/home"}"
        : "${TERMUX_DEBUG:=""}"
-       : "${TERMUX_API_LEVEL:="21"}"
+       : "${TERMUX_PKG_API_LEVEL:="21"}"
        : "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="25.0.3"}"
        : "${TERMUX_NDK_VERSION:="15.1"}"
 
@@ -218,11 +218,6 @@ termux_step_setup_variables() {
        TERMUX_DEBDIR="$TERMUX_SCRIPTDIR/debs"
        TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
 
-       TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/${TERMUX_NDK_VERSION}-${TERMUX_ARCH}-${TERMUX_API_LEVEL}"
-       # Bump the below version if a change is made in toolchain setup to ensure
-       # that everyone gets an updated toolchain:
-       TERMUX_STANDALONE_TOOLCHAIN+="-v6"
-
        export prefix=${TERMUX_PREFIX}
        export PREFIX=${TERMUX_PREFIX}
 
@@ -448,10 +443,15 @@ termux_step_host_build() {
 
 # Setup a standalone Android NDK toolchain. Not to be overridden by packages.
 termux_step_setup_toolchain() {
+       TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/${TERMUX_NDK_VERSION}-${TERMUX_ARCH}-${TERMUX_PKG_API_LEVEL}"
+       # Bump the below version if a change is made in toolchain setup to ensure
+       # that everyone gets an updated toolchain:
+       TERMUX_STANDALONE_TOOLCHAIN+="-v6"
+
        # We put this after system PATH to avoid picking up toolchain stripped python
        export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
 
-       export CFLAGS="" #-Werror=implicit-function-declaration"
+       export CFLAGS=""
        export LDFLAGS="-L${TERMUX_PREFIX}/lib"
 
        if [ "$TERMUX_PKG_CLANG" = "no" ]; then
@@ -532,7 +532,7 @@ termux_step_setup_toolchain() {
                fi
 
                "$NDK/build/tools/make_standalone_toolchain.py" \
-                       --api "$TERMUX_API_LEVEL" \
+                       --api "$TERMUX_PKG_API_LEVEL" \
                        --arch $_NDK_ARCHNAME \
                        --install-dir $_TERMUX_TOOLCHAIN_TMPDIR
 
@@ -578,7 +578,7 @@ termux_step_setup_toolchain() {
                # Also remove <sys/sem.h> as it doesn't work for non-root.
                rm usr/include/sys/{shm.h,sem.h}
 
-               sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_API_LEVEL/" \
+               sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \
                        usr/include/android/api-level.h
 
                local _LIBDIR=usr/lib