llvm: Add support for linking statically

This adds support for the static kwarg to the llvm dependency.

mesonbuild/dependencies/dev.py

@@ -139,6 +139,7 @@ class LLVMDependency(ExternalDependency):
         self.provided_modules = []
         self.required_modules = set()
         self.llvmconfig = None
+        self.static = kwargs.get('static', False)
         self.__best_found = None
         # FIXME: Support multiple version requirements ala PkgConfigDependency
         req_version = kwargs.get('version', None)
@@ -180,8 +181,9 @@ class LLVMDependency(ExternalDependency):
         opt_modules = stringlistify(extract_as_list(kwargs, 'optional_modules'))
         self.check_components(opt_modules, required=False)
 
+        link_args = ['--link-static', '--system-libs'] if self.static else ['--link-shared']
         p, out = Popen_safe(
-            [self.llvmconfig, '--libs', '--ldflags'] + list(self.required_modules))[:2]
+            [self.llvmconfig, '--libs', '--ldflags'] + link_args + list(self.required_modules))[:2]
         if p.returncode != 0:
             raise DependencyException('Could not generate libs for LLVM.')
         self.link_args = strip_system_libdirs(environment, shlex.split(out))

test cases/frameworks/15 llvm/meson.build

@@ -1,12 +1,5 @@
 project('llvmtest', ['c', 'cpp'], default_options : ['c_std=c99'])
 
-llvm_dep = dependency(
-  'llvm',
-  modules : ['bitwriter', 'asmprinter', 'executionengine', 'target',
-             'mcjit', 'nativecodegen'],
-  required : true,
-)
-
 d = dependency('llvm', modules : 'not-found', required : false)
 assert(d.found() == false, 'not-found llvm module found')
 
@@ -16,9 +9,23 @@ assert(d.found() == false, 'ancient llvm module found')
 d = dependency('llvm', optional_modules : 'not-found', required : false)
 assert(d.found() == true, 'optional module stopped llvm from being found.')
 
-executable('sum', 'sum.c',  dependencies : [
+foreach static : [true, false]
+  llvm_dep = dependency(
+    'llvm',
+    modules : ['bitwriter', 'asmprinter', 'executionengine', 'target',
+               'mcjit', 'nativecodegen'],
+    required : true,
+    static : static,
+  )
+  name = static ? 'static' : 'dynamic'
+  executable(
+    'sum-@0@'.format(name),
+    'sum.c',
+    dependencies : [
       llvm_dep,
       dependency('zlib'),
-  meson.get_compiler('c').find_library('dl', required : false),
       dependency('glib-2.0'),
-  ])
+      meson.get_compiler('c').find_library('dl', required : false),
+    ]
+  )
+endforeach