Add libbacktrace/1.0

recipes/libbacktrace/all/conandata.yml

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+sources:
+  "cci.20210118":
+    url: "https://github.com/ianlancetaylor/libbacktrace/archive/dedbe13fda00253fe5d4f2fb812c909729ed5937.tar.gz"
+    sha256: "dc8c167f48f3de5ae318c528b26b72f300edb6e33744e55394674fd4b7cdd21d"

recipes/libbacktrace/all/conanfile.py

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+import glob
+import os
+
+from conans import AutoToolsBuildEnvironment, ConanFile, tools
+from conans.errors import ConanInvalidConfiguration
+
+
+class LibbacktraceConan(ConanFile):
+    name = "libbacktrace"
+    description = "A C library that may be linked into a C/C++ program to produce symbolic backtraces."
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/ianlancetaylor/libbacktrace"
+    license = "BSD-3-Clause"
+    topics = ("conan", "backtrace", "stack-trace")
+
+    settings = "os", "arch", "compiler", "build_type"
+    options = {"shared": [True, False], "fPIC": [True, False]}
+    default_options = {"shared": False, "fPIC": True}
+
+    build_requires = "autoconf/2.69", "libtool/2.4.6"
+
+    __autotools = None
+    _source_subfolder = "source_subfolder"
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.settings.compiler == "Visual Studio":
+            raise ConanInvalidConfiguration("libsafec doesn't support {}/{}".format(
+                self.settings.compiler, self.settings.compiler.version))
+        if self.options.shared:
+            del self.options.fPIC
+        del self.settings.compiler.libcxx
+        del self.settings.compiler.cppstd
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version])
+        extracted_dir = glob.glob("libbacktrace-*")[0]
+        os.rename(extracted_dir, self._source_subfolder)
+
+    @property
+    def _autotools(self):
+        if self.__autotools is None:
+            self.__autotools = AutoToolsBuildEnvironment(self)
+        return self.__autotools
+
+    def _autotools_configure(self):
+        if self.options.shared:
+            args = ["--enable-shared", "--disable-static"]
+        else:
+            args = ["--disable-shared", "--enable-static"]
+        self._autotools.configure(args=args)
+
+    def build(self):
+        with tools.chdir(self._source_subfolder):
+            self.run("autoreconf -fiv", run_environment=True)
+            self._autotools_configure()
+            self._autotools.make()
+
+    def package(self):
+        with tools.chdir(self._source_subfolder):
+            self._autotools.install()
+        self.copy("LICENSE", src=self._source_subfolder, dst="licenses")
+        tools.remove_files_by_mask(os.path.join(self.package_folder, "lib"), "*.la")
+
+    def package_info(self):
+        self.cpp_info.libs = ["backtrace"]

recipes/libbacktrace/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.1)
+project(test_package C)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_executable(test_package test_package.c)
+target_link_libraries(test_package ${CONAN_LIBS})

recipes/libbacktrace/all/test_package/conanfile.py

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+import os
+
+from conans import CMake, ConanFile, tools
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if tools.cross_building(self.settings):
+            return
+        bin_path = os.path.join("bin", "test_package")
+        self.run(bin_path, run_environment=True)

recipes/libbacktrace/all/test_package/test_package.c

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+#include <backtrace-supported.h>
+#include <backtrace.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+void
+error_callback(void* data, const char* msg, int errnum)
+{
+    fprintf(stderr, "%s", msg);
+    if (errnum > 0)
+        fprintf(stderr, ": %s", strerror(errnum));
+    fprintf(stderr, "\n");
+    exit(EXIT_FAILURE);
+}
+
+int
+simple_callback(void* data, uintptr_t pc)
+{
+    printf("  0x%016lx\n", pc);
+    return 1;
+}
+
+int
+main(int argc, char** argv)
+{
+    void* state;
+
+    state = backtrace_create_state(argv[0], BACKTRACE_SUPPORTS_THREADS, error_callback, NULL);
+    printf("Top stack frame:\n");
+    backtrace_simple(state, 0, simple_callback, error_callback, NULL);
+    printf("Done\n");
+
+    return 0;
+}

recipes/libbacktrace/config.yml

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+versions:
+  "cci.20210118":
+    folder: all