[mathtext] mv to bultin subdir, isolate from ROOT and sync with upstream

graf2d/mathtext/CMakeLists.txt → builtins/libmathtext/CMakeLists.txt

@@ -4,23 +4,23 @@
 # For the licensing terms see $ROOTSYS/LICENSE.
 # For the list of contributors see $ROOTSYS/README/CREDITS.
 
-ROOT_LINKER_LIBRARY(mathtext
-  fontembed.cxx
-  fontembedps.cxx
-  mathrender.cxx
-  mathrenderstyle.cxx
-  mathrendertoken.cxx
-  mathtext.cxx
-  mathtextencode.cxx
-  mathtextparse.cxx
-  mathtextview.cxx
-  TYPE
-    STATIC
-  NOINSTALL
+add_library(mathtext STATIC
+  fontembed.cc
+  fontembedpdf.cc
+  fontembedps.cc
+  geometry.cc
+  mathrender.cc
+  mathrenderstyle.cc
+  mathrendertoken.cc
+  mathtext.cc
+  mathtextencode.cc
+  mathtextparse.cc
+  mathtextview.cc
 )
+target_include_directories(mathtext PUBLIC ./)
 
 check_cxx_compiler_flag(-Wbidi-chars=none GCC_HAS_BIDI_CHARS_FLAG)
 if(GCC_HAS_BIDI_CHARS_FLAG)
-    set_source_files_properties(src/fontembed.cxx COMPILE_FLAGS "-Wbidi-chars=none")
+    set_source_files_properties(fontembed.cc COMPILE_FLAGS "-Wbidi-chars=none")
 endif()
 set_property(TARGET mathtext PROPERTY POSITION_INDEPENDENT_CODE ON)