Make the platform responsible to create the buildenv.

It is now the platform who is responsible to:
- correctly add the toolchains as needed
- setup the cross environment
- create the cross files.

kiwixbuild/platforms/ios.py

@@ -1,7 +1,8 @@
 
-from .base import PlatformInfo
 import subprocess
 
+from .base import PlatformInfo
+from kiwixbuild.utils import pj, xrun_find
 
 
 class iOSPlatformInfo(PlatformInfo):
@@ -13,7 +14,7 @@ class iOSPlatformInfo(PlatformInfo):
     }
 
     def __init__(self, name, arch):
-        super().__init__(name, 'iOS', True, ['iOS_sdk'],
+        super().__init__(name, 'iOS', True, [],
                          hosts=['Darwin'])
         self.arch = arch
         self.arch_full, self.cpu, self.sdk_name = self.__arch_infos[arch]
@@ -29,9 +30,16 @@ class iOSPlatformInfo(PlatformInfo):
     def __str__(self):
         return "iOS"
 
+    def finalize_setup(self):
+        super().finalize_setup()
+        self.buildEnv.cmake_crossfile = self._gen_crossfile('cmake_ios_cross_file.txt')
+        self.buildEnv.meson_crossfile = self._gen_crossfile('meson_cross_file.txt')
+
     def get_cross_config(self):
         return {
             'root_path': self.root_path,
+            'binaries': self.binaries,
+            'exec_wrapper_def': '',
             'extra_libs': ['-fembed-bitcode', '-isysroot', self.root_path, '-arch', self.arch, '-miphoneos-version-min=9.0', '-stdlib=libc++'],
             'extra_cflags': ['-fembed-bitcode', '-isysroot', self.root_path, '-arch', self.arch, '-miphoneos-version-min=9.0', '-stdlib=libc++'],
             'host_machine': {
@@ -53,6 +61,26 @@ class iOSPlatformInfo(PlatformInfo):
     def get_bin_dir(self):
         return [pj(self.root_path, 'bin')]
 
+    @property
+    def binaries(self):
+        return {
+            'CC': xrun_find('clang'),
+            'CXX': xrun_find('clang++'),
+            'AR': '/usr/bin/ar',
+            'STRIP': '/usr/bin/strip',
+            'RANLIB': '/usr/bin/ranlib',
+            'LD': '/usr/bin/ld',
+        }
+
+    @property
+    def configure_option(self):
+        return '--host={}'.format(self.arch_full)
+
+    def set_compiler(self, env):
+        env['CC'] = self.binaries['CC']
+        env['CXX'] = self.binaries['CXX']
+
+
 iOSPlatformInfo('iOS_armv7', 'armv7')
 iOSPlatformInfo('iOS_arm64', 'arm64')
 iOSPlatformInfo('iOS_i386', 'i386')