Compat with linux host

native/build-android.sh

@@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 set -e
 
-ANDROID_NDK=/Users/salomonbrys/Library/Android/sdk/ndk/21.3.6528147
-TOOLCHAIN=darwin-x86_64
-
 [[ -z "$ANDROID_NDK" ]] && echo "Please set the ANDROID_NDK variable" && exit 1
 [[ -z "$ARCH" ]] && echo "Please set the ARCH variable" && exit 1
 [[ -z "$TOOLCHAIN" ]] && echo "Please set the TOOLCHAIN variable" && exit 1

native/build.sh

@@ -1,7 +1,11 @@
 #!/usr/bin/env bash
 set -e
 
-[[ -z "$TARGET" ]] && echo "Please set the PLATFORM variable" && exit 1
+[[ -z "$TARGET" ]] && echo "Please set the TARGET variable" && exit 1
+
+if [ "$(id -u)" == "0" ]; then
+  [[ -z "$TO_UID" ]] && echo "Please set the TO_UID variable" && exit 1
+fi
 
 cd secp256k1
 
@@ -9,6 +13,8 @@ if [ "$TARGET" == "mingw" ]; then
   CONF_OPTS="CFLAGS=-fpic --host=x86_64-w64-mingw32"
 elif [ "$TARGET" == "linux" ]; then
   CONF_OPTS="CFLAGS=-fpic"
+elif [ "$TARGET" == "darwin" ]; then
+  CONF_OPTS="--host=x86_64-w64-darwin"
 fi
 
 ./autogen.sh
@@ -16,19 +22,26 @@ fi
 make clean
 make
 
+[[ ! -z "$TO_UID" ]] && chown -R $TO_UID:$TO_UID .
+
 cd ..
 
 mkdir -p build/$TARGET
 cp -v secp256k1/.libs/libsecp256k1.a build/$TARGET/
 
+[[ ! -z "$TO_UID" ]] && chown -R $TO_UID:$TO_UID build
+
 CC=gcc
 JNI_HEADERS=$TARGET
 
 if [ "$TARGET" == "linux" ]; then
   OUTFILE=libsecp256k1-jni.so
+    ADD_LIB=-lgmp
 elif [ "$TARGET" == "darwin" ]; then
   OUTFILE=libsecp256k1-jni.dylib
-  ADD_LIB=-lgmp
+  if [ -z "$CROSS_TRIPLE" ]; then
+    ADD_LIB=-lgmp
+  fi
 elif [ "$TARGET" == "mingw" ]; then
   OUTFILE=secp256k1-jni.dll
   CC=/usr/src/mxe/usr/bin/x86_64-w64-mingw32.static-gcc
@@ -37,3 +50,7 @@ elif [ "$TARGET" == "mingw" ]; then
 fi
 
 $CC -shared $CC_OPTS -o build/$TARGET/$OUTFILE jni/src/org_bitcoin_NativeSecp256k1.c jni/src/org_bitcoin_Secp256k1Context.c -Ijni/headers/ -Ijni/headers/$JNI_HEADERS/ -Isecp256k1/ -lsecp256k1 -Lbuild/$TARGET/ $ADD_LIB
+
+[[ ! -z "$TO_UID" ]] && chown -R $TO_UID:$TO_UID build
+
+echo "Build done for $TARGET"