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Update examples/CMakeLists.txt to modern CMake

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Also: set build requirement of OpenGL3 tests to C++11 to enable
building in C++98 mode (if the compiler allows C++11).

Note: this may be removed in 1.5.0 when FLTK requires C++11 anyway.
This commit is contained in:
Albrecht Schlosser 2024-02-11 16:06:17 +01:00
parent 2776071144
commit 4ea058da0a
1 changed files with 13 additions and 13 deletions
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26
examples/CMakeLists.txt
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@ -113,7 +113,7 @@ set(OPENGL_SOURCES
############################################################
foreach(src ${SIMPLE_SOURCES})
fl_create_example(${src} ${src}.cxx fltk)
fl_create_example(${src} ${src}.cxx fltk::fltk)
endforeach(src)
############################################################
@ -121,7 +121,7 @@ endforeach(src)
############################################################
foreach(src ${FLUID_SOURCES})
fl_create_example(${src} ${src}.fl fltk)
fl_create_example(${src} ${src}.fl fltk::fltk)
endforeach(src)
############################################################
@ -129,7 +129,7 @@ endforeach(src)
############################################################
foreach(src ${IMAGE_SOURCES})
fl_create_example(${src} ${src}.cxx "fltk_images;fltk")
fl_create_example(${src} ${src}.cxx "fltk::images")
endforeach(src)
############################################################
@ -137,12 +137,9 @@ endforeach(src)
############################################################
if(FLTK_HAVE_CAIRO)
set(cairo_libs "fltk;cairo")
if(TARGET fltk_cairo)
set(cairo_libs fltk_cairo ${cairo_libs})
endif()
set(cairo_libs "fltk::fltk;cairo")
else()
set(cairo_libs "fltk")
set(cairo_libs "fltk::fltk")
endif()
foreach(src ${CAIRO_SOURCES})
@ -159,15 +156,18 @@ if(APPLE AND NOT FLTK_BACKEND_X11)
if(NOT LIB_GLEW)
set(LIB_GLEW TRUE)
endif()
set(REQUIRED_LIBS fltk_gl fltk ${OPENGL_LIBRARIES})
set(REQUIRED_LIBS fltk::gl)
else()
set(REQUIRED_LIBS fltk_gl fltk ${LIB_GLEW} ${OPENGL_LIBRARIES})
set(REQUIRED_LIBS fltk::gl ${LIB_GLEW})
endif()
if(OPENGL_FOUND AND LIB_GLEW)
foreach(src ${OPENGL_SOURCES})
fl_create_example(${src} ${src}.cxx "${REQUIRED_LIBS}")
endforeach(src)
foreach(tgt ${OPENGL_SOURCES})
fl_create_example(${tgt} ${tgt}.cxx "${REQUIRED_LIBS}")
set_property(TARGET ${tgt} PROPERTY CXX_STANDARD 11)
set_property(TARGET ${tgt} PROPERTY CXX_STANDARD_REQUIRED TRUE)
endforeach(tgt)
else()
message(STATUS
"OpenGL or libGLEW not present: OpenGL example programs will not be built.")