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-rw-r--r--CMake/options.cmake22
1 files changed, 14 insertions, 8 deletions
diff --git a/CMake/options.cmake b/CMake/options.cmake
index e94e0e937..438ff8374 100644
--- a/CMake/options.cmake
+++ b/CMake/options.cmake
@@ -157,27 +157,33 @@ include(FindPkgConfig)
option(OPTION_CAIRO "use lib Cairo" OFF)
option(OPTION_CAIROEXT
- "use FLTK code instrumentation for cairo extended use" OFF
+ "use FLTK code instrumentation for Cairo extended use" OFF
)
-if(OPTION_CAIRO OR OPTION_CAIROEXT AND LIB_CAIRO)
+if ((OPTION_CAIRO OR OPTION_CAIROEXT) AND LIB_CAIRO)
pkg_search_module(PKG_CAIRO cairo)
-endif(OPTION_CAIRO OR OPTION_CAIROEXT AND LIB_CAIRO)
+endif ((OPTION_CAIRO OR OPTION_CAIROEXT) AND LIB_CAIRO)
-if(PKG_CAIRO_FOUND)
- set(FLTK_HAVE_CAIRO 1)
+if (PKG_CAIRO_FOUND)
+ set (FLTK_HAVE_CAIRO 1)
add_subdirectory(cairo)
list(APPEND FLTK_LDLIBS -lcairo -lpixman-1)
include_directories(${PKG_CAIRO_INCLUDE_DIRS})
string(REPLACE ";" " " CAIROFLAGS "${PKG_CAIRO_CFLAGS}")
-endif(PKG_CAIRO_FOUND)
+endif (PKG_CAIRO_FOUND)
-if(LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
+if (LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
set(FLTK_USE_CAIRO 1)
set(FLTK_CAIRO_FOUND TRUE)
else()
set(FLTK_CAIRO_FOUND FALSE)
-endif(LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
+endif (LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
+
+if ((OPTION_CAIRO OR OPTION_CAIROEXT) AND NOT PKG_CAIRO_FOUND)
+ message(STATUS "*** Cairo was requested but not found - please install Cairo ...")
+ message(STATUS "*** or disable options OPTION_CAIRO and OPTION_CAIRO_EXT")
+ message(FATAL_ERROR "*** Terminating: missing Cairo libs or headers")
+endif ((OPTION_CAIRO OR OPTION_CAIROEXT) AND NOT PKG_CAIRO_FOUND)
#######################################################################
option(OPTION_USE_NANOSVG "support SVG images" ON)