Fix build

build.sh

@@ -211,6 +211,7 @@ llvm_fetch()
 # This function compiles and installs NINJA
 ninja_build()
 {
+    local EXTENSION=""
     local NINJA_CXX_COMPILER=""
     local NINJA_PLATFORM=""
 
@@ -220,6 +221,7 @@ ninja_build()
     # Additional, target-specific configuration options
     case "${SYSTEM_NAME}" in
         Windows)
+            EXTENSION=".exe"
             NINJA_CXX_COMPILER="${SYSTEM_HOST}-g++"
             NINJA_PLATFORM="mingw"
             ;;
@@ -235,7 +237,7 @@ ninja_build()
     cd ${NINJADIR}/build-${SYSTEM_NAME}
     CXX=${NINJA_CXX_COMPILER} ../configure.py --platform=${NINJA_PLATFORM}
     ninja
-    install ninja ${BINDIR}/bin/
+    install ninja${EXTENSION} ${BINDIR}/bin/
     cd ${WRKDIR}
 }
 
@@ -327,7 +329,7 @@ wine_build()
         ${CONFIGURE_PARAMETERS}
     for TOOL in widl wmc wrc; do
         make -j20 tools/${TOOL}/all
-        cp tools/${TOOL}/${TOOL}${ENTENSION} ${BINDIR}/bin/
+        cp tools/${TOOL}/${TOOL}${EXTENSION} ${BINDIR}/bin/
     done
     cd ${WRKDIR}
 }
@@ -350,7 +352,7 @@ xtchain_build()
     # Target-specific configuration options
     case "${SYSTEM_NAME}" in
         Windows)
-            CCOMPILER="${SYSTEM_HOST-gcc}"
+            CCOMPILER="${SYSTEM_HOST}-gcc"
             EXTENSION=".ps1"
             ;;
         *)