fix: Ensure installation path uses forward slashes
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 898ac9f..15582cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,6 +133,10 @@
# prefix for package variables in CMake configuration file
string (TOUPPER "${PACKAGE_NAME}" PACKAGE_PREFIX)
+# convert file path on Windows with back slashes to path with forward slashes
+# otherwise this causes an issue with the cmake_install.cmake script
+file (TO_CMAKE_PATH "${CMAKE_INSTALL_PREFIX}" CMAKE_INSTALL_PREFIX)
+
# ----------------------------------------------------------------------------
# options
@@ -196,6 +200,7 @@
gflags_define (STRING INCLUDE_DIR "Name of include directory of installed header files relative to CMAKE_INSTALL_PREFIX/include/" "${PACKAGE_NAME}")
gflags_property (INCLUDE_DIR ADVANCED TRUE)
+file (TO_CMAKE_PATH "${INCLUDE_DIR}" INCLUDE_DIR)
if (IS_ABSOLUTE INCLUDE_DIR)
message (FATAL_ERROR "[GFLAGS_]INCLUDE_DIR must be a path relative to CMAKE_INSTALL_PREFIX/include/")
endif ()
