only api requires absl

Author: lia-viam

conanfile.py

@@ -39,18 +39,19 @@ def configure(self):
             # From some experiments it seems that the shared-ness of these packages
             # should match that of the SDK recipe. Failure to do so can cause linker
             # errors while compiling, or static initialization errors at runtime for modules.
-            for lib in ["grpc", "protobuf"]:
+            for lib in ["grpc", "protobuf", "abseil"]:
                 self.options[lib].shared = True
 
     def requirements(self):
         self.requires('boost/[>=1.74.0]', transitive_headers=True)
 
         # The SDK supports older grpc and protobuf, but these are the oldest
         # maintained conan packages.
-        self.requires('grpc/[>=1.48.4]', transitive_libs=True)
-        self.requires('protobuf/[>=3.17.1]', transitive_libs=True)
+        self.requires('grpc/[>=1.48.4]')
+        self.requires('protobuf/[>=3.17.1]')
 
         self.requires('xtensor/[>=0.24.3]')
+        self.requires('abseil/[>=20230125.3]')
 
     def build_requirements(self):
         if self.options.offline_proto_generation:
@@ -93,6 +94,8 @@ def package_info(self):
            if self.settings.os in ["Linux", "FreeBSD"]:
             self.cpp_info.components[component].system_libs = ["pthread"]
 
+        self.cpp_info.components["viamapi"].requires.append("abseil::absl_strings")
+
         if self.settings.os in ["Linux", "FreeBSD"]:
             self.cpp_info.components["viamsdk"].system_libs.extend(["dl", "rt"])