build: fix default flags for Apple clang

Change-Id: I8db9569f2da851b832e3a25fd1e757e094895761

Author: Pesa

.waf-tools/default-compiler-flags.py

@@ -224,12 +224,13 @@ def getGeneralFlags(self, conf):
                 ['-isystem', f'{brewdir}/include'], # for Homebrew
                 ['-isystem', '/opt/local/include'], # for MacPorts
             ]
-        elif Utils.unversioned_sys_platform() == 'freebsd':
-            # Bug #4790
-            flags['CXXFLAGS'] += [['-isystem', '/usr/local/include']]
-        if get_compiler_ver(conf) >= (18, 0, 0) and get_compiler_ver(conf) < (20, 1, 0):
-            # Bug #5300
-            flags['CXXFLAGS'] += ['-Wno-enum-constexpr-conversion']
+        else:
+            if Utils.unversioned_sys_platform() == 'freebsd':
+                # Bug #4790
+                flags['CXXFLAGS'] += [['-isystem', '/usr/local/include']]
+            if get_compiler_ver(conf) >= (18, 0, 0) and get_compiler_ver(conf) < (20, 1, 0):
+                # Bug #5300
+                flags['CXXFLAGS'] += ['-Wno-enum-constexpr-conversion']
         return flags
 
     __cxxFlags = [
@@ -240,11 +241,13 @@ def getGeneralFlags(self, conf):
     def getDebugFlags(self, conf):
         flags = super().getDebugFlags(conf)
         flags['CXXFLAGS'] += self.__cxxFlags
+        ccver = get_compiler_ver(conf)
+        darwin = Utils.unversioned_sys_platform() == 'darwin'
         # Enable assertions in libc++
-        if get_compiler_ver(conf) >= (18, 0, 0):
+        if (darwin and ccver >= (17, 0, 0)) or (not darwin and ccver >= (18, 0, 0)):
             # https://libcxx.llvm.org/Hardening.html
             flags['DEFINES'] += ['_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE']
-        elif get_compiler_ver(conf) >= (15, 0, 0):
+        elif ccver >= (15, 0, 0):
             # https://releases.llvm.org/15.0.0/projects/libcxx/docs/UsingLibcxx.html#enabling-the-safe-libc-mode
             flags['DEFINES'] += ['_LIBCPP_ENABLE_ASSERTIONS=1']
         # Tell libc++ to avoid including transitive headers

docs/doxygen.conf.in

@@ -1441,17 +1441,6 @@ EXT_LINKS_IN_WINDOW    = NO
 
 FORMULA_FONTSIZE       = 10
 
-# Use the FORMULA_TRANPARENT tag to determine whether or not the images
-# generated for formulas are transparent PNGs. Transparent PNGs are not
-# supported properly for IE 6.0, but are supported on all modern browsers.
-#
-# Note that when changing this option you need to delete any form_*.png files in
-# the HTML output directory before the changes have effect.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-FORMULA_TRANSPARENT    = YES
-
 # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
 # http://www.mathjax.org) which uses client side Javascript for the rendering
 # instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
@@ -2320,18 +2309,6 @@ DOT_GRAPH_MAX_NODES    = 50
 
 MAX_DOT_GRAPH_DEPTH    = 0
 
-# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
-# background. This is disabled by default, because dot on Windows does not seem
-# to support this out of the box.
-#
-# Warning: Depending on the platform used, enabling this option may lead to
-# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
-# read).
-# The default value is: NO.
-# This tag requires that the tag HAVE_DOT is set to YES.
-
-DOT_TRANSPARENT        = YES
-
 # Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output
 # files in one run (i.e. multiple -o and -T options on the command line). This
 # makes dot run faster, but since only newer versions of dot (>1.8.10) support