mac build: build libusb from source

fixes https://github.com/spesmilo/electrum/issues/7393

contrib/make_libusb.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+LIBUSB_VERSION="c6a35c56016ea2ab2f19115d2ea1e85e0edae155"
+# ^ tag v1.0.24
+
+set -e
+
+. $(dirname "$0")/build_tools_util.sh || (echo "Could not source build_tools_util.sh" && exit 1)
+
+here=$(dirname $(realpath "$0" 2> /dev/null || grealpath "$0"))
+CONTRIB="$here"
+PROJECT_ROOT="$CONTRIB/.."
+
+pkgname="libusb"
+info "Building $pkgname..."
+
+(
+    cd $CONTRIB
+    if [ ! -d libusb ]; then
+        git clone https://github.com/libusb/libusb.git
+    fi
+    cd libusb
+    if ! $(git cat-file -e ${LIBUSB_VERSION}) ; then
+        info "Could not find requested version $LIBUSB_VERSION in local clone; fetching..."
+        git fetch --all
+    fi
+    git reset --hard
+    git clean -dfxq
+    git checkout "${LIBUSB_VERSION}^{commit}"
+
+    if [ "$BUILD_TYPE" = "wine" ] ; then
+        echo "libusb_1_0_la_LDFLAGS += -Wc,-static" >> libusb/Makefile.am
+    fi
+    ./bootstrap.sh || fail "Could not bootstrap libusb"
+    if ! [ -r config.status ] ; then
+        if [ "$BUILD_TYPE" = "wine" ] ; then
+            # windows target
+            LDFLAGS="-Wl,--no-insert-timestamp"
+        elif [ $(uname) == "Darwin" ]; then
+            # macos target
+            LDFLAGS="-Wl -lm"
+        else
+            # linux target
+            LDFLAGS=""
+        fi
+        LDFLAGS="$LDFLAGS" ./configure \
+            $AUTOCONF_FLAGS \
+            || fail "Could not configure $pkgname. Please make sure you have a C compiler installed and try again."
+    fi
+    make -j4 || fail "Could not build $pkgname"
+    make install || fail "Could not install $pkgname"
+    . "$here/$pkgname/libusb/.libs/libusb-1.0.la"
+    host_strip "$here/$pkgname/libusb/.libs/$dlname"
+    TARGET_NAME="$dlname"
+    if [ $(uname) == "Darwin" ]; then  # on mac, dlname is "libusb-1.0.0.dylib"
+        TARGET_NAME="libusb-1.0.dylib"
+    fi
+    cp -fpv "$here/$pkgname/libusb/.libs/$dlname" "$PROJECT_ROOT/electrum/$TARGET_NAME" || fail "Could not copy the $pkgname binary to its destination"
+    info "$TARGET_NAME has been placed in the inner 'electrum' folder."
+    if [ -n "$DLL_TARGET_DIR" ] ; then
+        cp -fpv "$here/$pkgname/libusb/.libs/$dlname" "$DLL_TARGET_DIR/$TARGET_NAME" || fail "Could not copy the $pkgname binary to DLL_TARGET_DIR"
+    fi
+)