*** opencascade-7.1.0.ebuild.org
--- opencascade-7.1.0.ebuild
*************** src_configure() {
*** 118,124 ****
  		-DBUILD_WITH_DEBUG=$(usex debug)
  		-DCMAKE_INSTALL_PREFIX="${my_install_dir}"
  		-DINSTALL_DIR_DOC="/usr/share/doc/${P}"
! 		-DINSTALL_DIR_CMAKE="/usr/$(get_libdir)/cmake"
  		-DUSE_D3D=no
  		-DUSE_FREEIMAGE=$(usex freeimage)
  		-DUSE_GL2PS=$(usex gl2ps)
--- 118,124 ----
  		-DBUILD_WITH_DEBUG=$(usex debug)
  		-DCMAKE_INSTALL_PREFIX="${my_install_dir}"
  		-DINSTALL_DIR_DOC="/usr/share/doc/${P}"
! 		-DINSTALL_DIR_CMAKE="/usr/$(get_libdir)/cmake/${P}"
  		-DUSE_D3D=no
  		-DUSE_FREEIMAGE=$(usex freeimage)
  		-DUSE_GL2PS=$(usex gl2ps)