[gawk] Add gawk recipe

* Initial implementation of gawk
* Missing mpfr and grep dependencies

Closes conan-io#16794

recipes/gawk/all/conandata.yml

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+sources:
+  "5.2.1":
+    url: "http://git.savannah.gnu.org/cgit/gawk.git/snapshot/gawk-5.2.1.tar.gz"
+    sha256: "ee6faf7506746c2cc102211e03ca1fc5a79fec1a51076b6460bfdb984a97704d"

recipes/gawk/all/conanfile.py

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+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.files import copy, get, collect_libs
+from conan.tools.layout import basic_layout
+from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps
+import os
+
+required_conan_version = ">=1.52.0"
+
+
+class GawkConan(ConanFile):
+    name = "gawk"
+    description = "A program that you can use to select particular records in a file and perform operations upon them. GNU implementation of awk"
+    topics = ("file", "modification", "reformatting")
+    homepage = "http://git.savannah.gnu.org/cgit/gawk.git"
+    license = "GPL-3.0-only"
+    url = "https://github.com/conan-io/conan-center-index"
+    package_type = "application"
+    settings = "os", "arch", "compiler", "build_type"
+
+    @property
+    def _settings_build(self):
+        return getattr(self, "settings_build", self.settings)
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def package_id(self):
+        del self.info.settings.compiler
+
+    def compatibility(self):
+        return [{"settings": [("build_type", "Release")]}]
+
+    def validate(self):
+        pass
+
+    def requirements(self):
+        #self.requires("mpfr/4.1.0")
+        self.requires("gmp/6.2.1")
+
+        if self.settings.os == "Macos":
+            self.requires("readline/8.1.2")
+
+    def build_requirements(self):
+        if self._settings_build.os == "Windows":
+            self.tool_requires("winflexbison/2.5.24")
+        else:
+            self.tool_requires("flex/2.6.4")
+            self.tool_requires("bison/3.8.2")
+            self.tool_requires("binutils/2.38")
+            self.tool_requires("libtool/2.4.7")
+            # self.tool_requires("grep/3.10")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        tc = AutotoolsToolchain(self)
+        tc.configure_args.append(f"--with-gmp={self.dependencies['gmp'].package_folder}")
+        #tc.configure_args.append(f"--with-mpc={self.dependencies['mpc'].package_folder}")
+        #tc.configure_args.append(f"--with-mpfr={self.dependencies['mpfr'].package_folder}")
+
+        if self.settings.os == "Macos":
+            tc.configure_args.append(f"--with-readline={self.dependencies['readline'].package_folder}")
+
+        tc.generate()
+
+        deps = AutotoolsDeps(self)
+        deps.generate()
+
+    def build(self):
+        autotools = Autotools(self)
+        autotools.configure()
+        autotools.make()
+
+    def package(self):
+        copy(self, "COPYING", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        autotools = Autotools(self)
+        autotools.install()
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_find_mode", "none")
+        self.cpp_info.includedirs = ["include"]
+        self.cpp_info.resdirs = ["share"]
+        collect_libs(self)
+
+        # TODO: to remove in conan v2
+        self.env_info.PATH.append(os.path.join(self.package_folder, "bin"))

recipes/gawk/all/test_package/conanfile.py

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+from conan import ConanFile
+from conan.errors import ConanException
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "VirtualBuildEnv"
+    test_type = "explicit"
+
+    def build_requirements(self):
+        self.tool_requires(self.tested_reference_str)
+
+    def test(self):
+        self.output.info("Version:")
+        self.run("awk --version", env="conanbuild")
+        self.run("awk \'BEGIN {print ARGV[1]}\' \"Hello, World\"", env="conanbuild")

recipes/gawk/config.yml

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+versions:
+  "5.2.1":
+    folder: "all"