trying nmake
-cmake -G "%CMAKE_GENERATOR%" ^
+cmake -G "NMake Makefiles" ^
-H%SRC_DIR% ^
-Bbuild ^
-DCMAKE_INSTALL_PREFIX="%LIBRARY_PREFIX%" ^
@@ -30,3 +30,4 @@ if errorlevel 1 exit 1
:: -- -j %CPU_COUNT% # unknown to MSVC
:: %BUILD_PREFIX%/bin/cmake ^ # deadly on c-f
:: -DCMAKE_C_FLAGS="/wd4018 /wd4101 /wd4996 %CFLAGS%" ^ # error MSB3073
+::cmake -G "%CMAKE_GENERATOR%" ^ # appveyor only
