meson: add comments in the target-specific flags section

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/meson.build b/meson.build
index d36a18cb28e72bac62571f0e87f7e9f39dfaab01..937658359e6afc22ee650f8e339a5a3649e5683c 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -238,6 +238,7 @@ endif
 # Target-specific checks and dependencies #
 ###########################################
 
+# Fuzzing
 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
     not cc.links('''
           #include <stdint.h>
@@ -249,6 +250,7 @@ if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
   error('Your compiler does not support -fsanitize=fuzzer')
 endif
 
+# Tracing backends
 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
   error('ftrace is supported only on Linux')
 endif
@@ -262,6 +264,7 @@ if 'syslog' in get_option('trace_backends') and not cc.compiles('''
   error('syslog is not supported on this system')
 endif
 
+# Miscellaneous Linux-only features
 if targetos != 'linux' and get_option('mpath').enabled()
   error('Multipath is supported only on Linux')
 endif
@@ -271,6 +274,7 @@ if targetos != 'linux' and get_option('multiprocess').enabled()
 endif
 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 
+# Target-specific libraries and flags
 libm = cc.find_library('m', required: false)
 threads = dependency('threads')
 util = cc.find_library('util', required: false)
@@ -311,6 +315,7 @@ elif targetos == 'openbsd'
   endif
 endif
 
+# Target-specific configuration of accelerators
 accelerators = []
 if not get_option('kvm').disabled() and targetos == 'linux'
   accelerators += 'CONFIG_KVM'