Merge pull request #1549 from mesonbuild/linkwhole

Add option to link the entire contents of a static library to a target.

1 files changed, 26 insertions, 0 deletions

diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py
index e6be8b1..c8ce487 100644
--- a/mesonbuild/compilers.py
+++ b/mesonbuild/compilers.py
@@ -707,6 +707,11 @@ class Compiler:
     def get_std_shared_module_link_args(self):
         return self.get_std_shared_lib_link_args()
 
+    def get_link_whole_for(self, args):
+        if isinstance(args, list) and len(args) == 0:
+            return []
+        raise EnvironmentException('Language %s does not support linking whole archives.' % self.language)
+
 class CCompiler(Compiler):
     def __init__(self, exelist, version, is_cross, exe_wrapper=None):
         # If a child ObjC or CPP class has already set it, don't set it ourselves
@@ -2274,6 +2279,13 @@ class VisualStudioCCompiler(CCompiler):
         pdbarr += ['pdb']
         return ['/DEBUG', '/PDB:' + '.'.join(pdbarr)]
 
+    def get_link_whole_for(self, args):
+        # Only since VS2015
+        if not isinstance(args, list):
+            args = [args]
+        return ['/WHOLEARCHIVE:' + x for x in args]
+
+
 class VisualStudioCPPCompiler(VisualStudioCCompiler, CPPCompiler):
     def __init__(self, exelist, version, is_cross, exe_wrap):
         self.language = 'cpp'
@@ -2425,6 +2437,10 @@ class GnuCompiler:
             return ['-bundle']
         return ['-shared']
 
+    def get_link_whole_for(self, args):
+        return ['-Wl,--whole-archive'] + args + ['-Wl,--no-whole-archive']
+
+
 class GnuCCompiler(GnuCompiler, CCompiler):
     def __init__(self, exelist, version, gcc_type, is_cross, exe_wrapper=None, defines=None):
         CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper)
@@ -2460,6 +2476,7 @@ class GnuCCompiler(GnuCompiler, CCompiler):
     def get_std_shared_lib_link_args(self):
         return ['-shared']
 
+
 class GnuCPPCompiler(GnuCompiler, CPPCompiler):
 
     def __init__(self, exelist, version, gcc_type, is_cross, exe_wrap, defines):
@@ -2589,6 +2606,15 @@ class ClangCompiler:
             return ['-bundle', '-Wl,-undefined,dynamic_lookup']
         return ['-shared']
 
+    def get_link_whole_for(self, args):
+        if self.clang_type == CLANG_OSX:
+            result = []
+            for a in args:
+                result += ['-Wl,-force_load', a]
+            return result
+        return ['-Wl,--whole-archive'] + args + ['-Wl,--no-whole-archive']
+
+
 class ClangCCompiler(ClangCompiler, CCompiler):
     def __init__(self, exelist, version, clang_type, is_cross, exe_wrapper=None):
         CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper)