Add custom libgcrypt dependency using libgcrypt-config

Fixes #3563

2 files changed, 33 insertions, 1 deletions

diff --git a/mesonbuild/dependencies/__init__.py b/mesonbuild/dependencies/__init__.py
index 00b6fa2..0375537 100644
--- a/mesonbuild/dependencies/__init__.py
+++ b/mesonbuild/dependencies/__init__.py
@@ -18,7 +18,7 @@ from .base import (  # noqa: F401
     ExternalDependency, NotFoundDependency, ExternalLibrary, ExtraFrameworkDependency, InternalDependency,
     PkgConfigDependency, find_external_dependency, get_dep_identifier, packages, _packages_accept_language)
 from .dev import GMockDependency, GTestDependency, LLVMDependency, ValgrindDependency
-from .misc import (MPIDependency, OpenMPDependency, Python3Dependency, ThreadDependency, PcapDependency, CupsDependency, LibWmfDependency)
+from .misc import (MPIDependency, OpenMPDependency, Python3Dependency, ThreadDependency, PcapDependency, CupsDependency, LibWmfDependency, LibGCryptDependency)
 from .platform import AppleFrameworks
 from .ui import GLDependency, GnuStepDependency, Qt4Dependency, Qt5Dependency, SDL2Dependency, WxDependency, VulkanDependency
 
@@ -39,6 +39,7 @@ packages.update({
     'pcap': PcapDependency,
     'cups': CupsDependency,
     'libwmf': LibWmfDependency,
+    'libgcrypt': LibGCryptDependency,
 
     # From platform:
     'appleframeworks': AppleFrameworks,
diff --git a/mesonbuild/dependencies/misc.py b/mesonbuild/dependencies/misc.py
index 5164512..a2f7daf 100644
--- a/mesonbuild/dependencies/misc.py
+++ b/mesonbuild/dependencies/misc.py
@@ -506,3 +506,34 @@ class LibWmfDependency(ExternalDependency):
     @staticmethod
     def get_methods():
         return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL]
+
+
+class LibGCryptDependency(ExternalDependency):
+    def __init__(self, environment, kwargs):
+        super().__init__('libgcrypt', environment, None, kwargs)
+
+    @classmethod
+    def _factory(cls, environment, kwargs):
+        methods = cls._process_method_kw(kwargs)
+        candidates = []
+
+        if DependencyMethods.PKGCONFIG in methods:
+            candidates.append(functools.partial(PkgConfigDependency, 'libgcrypt', environment, kwargs))
+
+        if DependencyMethods.CONFIG_TOOL in methods:
+            candidates.append(functools.partial(ConfigToolDependency.factory,
+                                                'libgcrypt', environment, None, kwargs, ['libgcrypt-config'],
+                                                'libgcrypt-config',
+                                                LibGCryptDependency.tool_finish_init))
+
+        return candidates
+
+    @staticmethod
+    def tool_finish_init(ctdep):
+        ctdep.compile_args = ctdep.get_config_value(['--cflags'], 'compile_args')
+        ctdep.link_args = ctdep.get_config_value(['--libs'], 'link_args')
+        ctdep.version = ctdep.get_config_value(['--version'], 'version')[0]
+
+    @staticmethod
+    def get_methods():
+        return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL]