Add CPP variable

.github/workflows/build.yml

@@ -77,7 +77,9 @@ jobs:
           echo "CONFIGURE_ARGS=--prefix=/usr/local --disable-shared --enable-static --build=x86_64-apple-darwin --host=${{ matrix.gnu_triple }}" >> $GITHUB_ENV
           echo "CC=$(xcrun --find cc)" >> $GITHUB_ENV
           echo "CXX=$(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" >> $GITHUB_ENV
+          echo "CPPFLAGS=${{ env.CFLAGS }} -Wno-error-implicit-function-declaration"
           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
           mkdir -p $(pwd)/sysroot/usr/local/lib
@@ -135,6 +137,7 @@ jobs:
             --enable-termcap \
             --enable-pc-files \
             --without-x11-rgb \
+            --includedir="${{ env.PREFIX }}/include" \
             --with-pkg-config-libdir="${{ env.PREFIX }}/lib/pkgconfig" \
             --enable-widec \
             --with-default-terminfo-dir="/usr/share/terminfo" \
@@ -459,11 +462,13 @@ jobs:
             --enable-pc-files \
             --without-x11-rgb \
             --with-pkg-config-libdir="${{ env.PREFIX }}/lib/pkgconfig" \
+            --includedir="${{ env.PREFIX }}/include" \
             --enable-widec \
             --with-default-terminfo-dir="/usr/share/terminfo" \
             --with-terminfo-dirs="/usr/share/terminfo:/lib/terminfo:/usr/lib/terminfo:/usr/local/share/terminfo:/usr/local/lib/terminfo:/data/data/com.termux/files/usr/share/terminfo" \
             LDFLAGS="${{ env.LDFLAGS }}" \
-            PKG_CONFIG_LIBDIR="${{ env.PREFIX }}/lib/pkgconfig"
+            PKG_CONFIG_LIBDIR="${{ env.PREFIX }}/lib/pkgconfig" \
+            STRIP=${{ env.CROSS_COMPILE }}strip
             gmake -j$(sysctl -n hw.ncpu)
             gmake -j$(sysctl -n hw.ncpu) install DESTDIR=${{ env.DESTDIR }}
             cd ..