diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fe07b08..71173c2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -79,7 +79,7 @@ jobs:
           echo "CXX=$(xcrun --find c++)" >> $GITHUB_ENV
           echo "CPP=$(xcrun --find cc) -E" >> $GITHUB_ENV
           echo "CFLAGS=-g -Os -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isysroot ${{ env.SDK }} -isystem $(pwd)/sysroot/usr/local/include" >> $GITHUB_ENV
-          echo "CPPFLAGS=-g -Os -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isysroot ${{ env.SDK }} -isystem $(pwd)/sysroot/usr/local/include -Wno-error-implicit-function-declaration"
+          echo "CPPFLAGS=-g -Os -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isysroot ${{ env.SDK }} -isystem $(pwd)/sysroot/usr/local/include -Wno-error-implicit-function-declaration" >> $GITHUB_ENV
           echo "CXXFLAGS=-stdlib=libc++ -g -Os -isysroot ${{ env.SDK }} -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isystem $(pwd)/sysroot/usr/local/include" >> $GITHUB_ENV
           echo "LDFLAGS=-g -Wl,-dead_strip -arch ${{ matrix.arch }} -isysroot ${{ env.SDK }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -L$(pwd)/sysroot/usr/local/lib" >> $GITHUB_ENV
           echo "CFLAGS_FOR_BUILD=-arch $(uname -m) -isysroot $(xcrun -sdk macosx --show-sdk-path)" >> $GITHUB_ENV
@@ -412,7 +412,7 @@ jobs:
           echo "CFLAGS=-g -fdata-sections -ffunction-sections -I$(pwd)/sysroot/usr/local/include -L$(pwd)/sysroot/usr/local/lib" >> $GITHUB_ENV
           echo "CXXFLAGS=-g -fdata-sections -ffunction-sections -I$(pwd)/sysroot/usr/local/include -L$(pwd)/sysroot/usr/local/lib" >> $GITHUB_ENV
           echo "LDFLAGS=-g -Wl,--gc-sections -fdata-sections -ffunction-sections -I$(pwd)/sysroot/usr/local/include -L$(pwd)/sysroot/usr/local/lib" >> $GITHUB_ENV
-          echo "INSTALL=install --strip-program=${{ matrix.triple }}-strip" >> $GITHUB_ENV
+          echo "INSTALL=$(command -v install) --strip-program=${{ matrix.triple }}-strip" >> $GITHUB_ENV
           echo "DESTDIR=$(pwd)/sysroot" >> $GITHUB_ENV
           echo "PREFIX=/usr/local" >> $GITHUB_ENV
           echo "CONFIGURE_ARGS=--build=x86_64-linux-gnu --host=${{ matrix.triple }} --prefix=/usr/local --disable-shared --enable-static" >> $GITHUB_ENV