use target_machine instead of build_machine for cross compilation

Author: MicK7

externals/cgns/hdf5/meson.build

@@ -1,4 +1,4 @@
-if build_machine.system() == 'windows' or meson.get_compiler('c').get_id() == 'intel'
+if target_machine.system() == 'windows' or meson.get_compiler('c').get_id() == 'intel'
   hdf5_default_warnings = []
 else
   hdf5_default_warnings = ['-Wno-unused-result',
@@ -46,7 +46,7 @@ if opt_szip.found()
 endif
 
 
-if build_machine.system() == 'windows'
+if target_machine.system() == 'windows'
   hdf5_conf_data.set('H5_HAVE_WINDOWS', 1)
   hdf5_conf_data.set('H5_HAVE_WINDOW_PATH', 1)
   hdf5_conf_data.set('H5_HAVE_MINGW', 1)
@@ -66,22 +66,22 @@ if build_machine.system() == 'windows'
   hdf5_conf_data.set('H5_HAVE_LIBWSOCK32', 1)
 endif
 
-if build_machine.system() != 'windows'
-  if build_machine.endian() == 'big'
+if target_machine.system() != 'windows'
+  if target_machine.endian() == 'big'
     hdf5_conf_data.set('H5_WORDS_BIGENDIAN', 1)
   else
     hdf5_conf_data.set('H5_WORDS_BIGENDIAN', 0)
   endif
 endif
 
 
-if build_machine.system() == 'windows'
+if target_machine.system() == 'windows'
   hdf5_conf_data.set('H5_DEFAULT_PLUGINDIR', '%ALLUSERSPROFILE%\\\\hdf5\\\\lib\\\\plugin')
 else
   hdf5_conf_data.set('H5_DEFAULT_PLUGINDIR', '/usr/local/hdf5/lib/plugin')
 endif
 
-if build_machine.system()=='darwin'
+if target_machine.system()=='darwin'
   hdf5_conf_data.set('H5_HAVE_DARWIN', 1)
 endif
 
@@ -147,7 +147,7 @@ if cc.has_header('io.h')
   hdf5_conf_data.set('H5_HAVE_IO_H', 1)
 endif
 
-if build_machine.system() != 'windows'
+if target_machine.system() != 'windows'
   hdf5_conf_data.set('H5_HAVE_WINSOCK2_H', cc.has_header('winsock2.h'))
 endif
 
@@ -259,7 +259,7 @@ endif
 
 defs = []
 #if  not windows or mingw
-if build_machine.system()!='darwin'
+if target_machine.system()!='darwin'
   defs += [
         '-D_FILE_OFFSET_BITS=64',
         '-D_LARGEFILE64_SOURCE',
@@ -310,7 +310,7 @@ hdf5_conf_data.set('H5_SIZEOF_INT', cc.sizeof('int'))
 hdf5_conf_data.set('H5_SIZEOF_UNSIGNED', cc.sizeof('unsigned'))
 
 
-if build_machine.system() != 'darwin'
+if target_machine.system() != 'darwin'
   hdf5_conf_data.set('H5_SIZEOF_LONG', cc.sizeof('long'))
 endif
 
@@ -352,7 +352,7 @@ hdf5_conf_data.set('H5_SIZEOF_INT_LEAST64_T',    cc.sizeof ('int_least64_t', pre
 hdf5_conf_data.set('H5_SIZEOF_UINT_LEAST64_T',   cc.sizeof ('uint_least64_t', prefix:'#include <stdint.h>'))
 hdf5_conf_data.set('H5_SIZEOF_INT_FAST64_T',     cc.sizeof ('int_fast64_t', prefix:'#include <stdint.h>'))  
 hdf5_conf_data.set('H5_SIZEOF_UINT_FAST64_T',    cc.sizeof ('uint_fast64_t', prefix:'#include <stdint.h>'))
-if build_machine.system() != 'darwin'
+if target_machine.system() != 'darwin'
   hdf5_conf_data.set('H5_SIZEOF_SIZE_T', cc.sizeof('size_t'))
   hdf5_conf_data.set('H5_SIZEOF_SSIZE_T', cc.sizeof('ssize_t'))
   if hdf5_conf_data.get('H5_SIZEOF_SSIZE_T') < 1
@@ -472,7 +472,7 @@ hdf5_conf_data.set('H5_GETTIMEOFDAY_GIVE_TZ', cc.compiles(code_gettimeofday_give
 hdf5_conf_data.set('H5_HAVE_TM_ZONE', 1)
 hdf5_conf_data.set('H5_HAVE_STRUCT_TM_TM_ZONE', 1)
 
-if build_machine.system() != 'windows'
+if target_machine.system() != 'windows'
   hdf5_conf_data.set('H5_HAVE_TIMEZONE', 1)
 endif
 
@@ -564,7 +564,7 @@ hdf5_conf_data.set('H5_HAVE_SOCKLEN_T', 1)
 #
 
 # Check IOEO
-if build_machine.system() == 'windows'
+if target_machine.system() == 'windows'
   code_ioeo='''
 #include <windows.h>
 typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
@@ -1145,7 +1145,7 @@ H5_GENERATED_HEADERS = [
 
 
 # Generate 'H5detect to generate H5Tinit.c
-if false
+if cc_can_run
   H5detect = executable('H5detect', 'H5detect.c',
                       c_args: hdf5_default_warnings + defs,
 		      dependencies: ext_deps)