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[DO-973] harfbuzz package (!10)

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Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/10
This commit is contained in:
Aleksandr Vodyanov
2024-12-26 12:02:17 +03:00
parent 39afe6a1dd
commit c807f2514e
126 changed files with 6604 additions and 0 deletions
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76
recipes/pcre2/all/conandata.yml Normal file
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sources:
"10.44":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PCRE2Project/pcre2/releases/download/pcre2-10.44/pcre2-10.44.tar.bz2"
sha256: "d34f02e113cf7193a1ebf2770d3ac527088d485d4e047ed10e5d217c6ef5de96"
"10.43":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PCRE2Project/pcre2/releases/download/pcre2-10.43/pcre2-10.43.tar.bz2"
sha256: "e2a53984ff0b07dfdb5ae4486bbb9b21cca8e7df2434096cc9bf1b728c350bcb"
"10.42":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PCRE2Project/pcre2/releases/download/pcre2-10.42/pcre2-10.42.tar.bz2"
sha256: "8d36cd8cb6ea2a4c2bb358ff6411b0c788633a2a45dabbf1aeb4b701d1b5e840"
"10.40":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PCRE2Project/pcre2/releases/download/pcre2-10.40/pcre2-10.40.tar.bz2"
sha256: "14e4b83c4783933dc17e964318e6324f7cae1bc75d8f3c79bc6969f00c159d68"
"10.39":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.39/pcre2-10.39.tar.bz2"
sha256: "0f03caf57f81d9ff362ac28cd389c055ec2bf0678d277349a1a4bee00ad6d440"
"10.37":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.37/pcre2-10.37.tar.bz2"
sha256: "4d95a96e8b80529893b4562be12648d798b957b1ba1aae39606bbc2ab956d270"
"10.36":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.36/pcre2-10.36.tar.bz2"
sha256: "a9ef39278113542968c7c73a31cfcb81aca1faa64690f400b907e8ab6b4a665c"
"10.35":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.35/pcre2-10.35.tar.bz2"
sha256: "9ccba8e02b0ce78046cdfb52e5c177f0f445e421059e43becca4359c669d4613"
"10.33":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.33/pcre2-10.33.tar.bz2"
sha256: "35514dff0ccdf02b55bd2e9fa586a1b9d01f62332c3356e379eabb75f789d8aa"
"10.32":
url: "https://nexus.avroid.tech/repository/devops-raw-proxy-github/PhilipHazel/pcre2/releases/download/pcre2-10.32/pcre2-10.32.tar.bz2"
sha256: "f29e89cc5de813f45786580101aaee3984a65818631d4ddbda7b32f699b87c2e"
patches:
"10.42":
- patch_file: "patches/0002-fix-cmake-c-std.patch"
patch_description: "make the C99 requirement explicit"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/193"
"10.40":
- patch_file: "patches/0001-fix-cmake-1.39.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
- patch_file: "patches/0002-fix-cmake-c-std.patch"
patch_description: "make the C99 requirement explicit"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/193"
"10.39":
- patch_file: "patches/0001-fix-cmake-1.39.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
"10.37":
- patch_file: "patches/0001-fix-cmake-1.36.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
"10.36":
- patch_file: "patches/0001-fix-cmake-1.36.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
"10.35":
- patch_file: "patches/0001-fix-cmake-1.35.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
"10.33":
- patch_file: "patches/0001-fix-cmake-1.33.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"
"10.32":
- patch_file: "patches/0001-fix-cmake-1.32.patch"
patch_description: "correct the order of cmake_minimum_required() and project()"
patch_type: "conan"
patch_source: "https://github.com/PCRE2Project/pcre2/pull/142"

221
recipes/pcre2/all/conanfile.py Normal file
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from conan import ConanFile
from conan.errors import ConanInvalidConfiguration
from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, replace_in_file, rmdir
from conan.tools.microsoft import is_msvc, is_msvc_static_runtime
from conan.tools.scm import Version
import os
required_conan_version = ">=1.53.0"
class PCRE2Conan(ConanFile):
name = "pcre2"
url = "https://github.com/conan-io/conan-center-index"
homepage = "https://www.pcre.org/"
description = "Perl Compatible Regular Expressions"
topics = ("regex", "regexp", "perl")
license = "BSD-3-Clause"
package_type = "library"
settings = "os", "arch", "compiler", "build_type"
options = {
"shared": [True, False],
"fPIC": [True, False],
"build_pcre2_8": [True, False],
"build_pcre2_16": [True, False],
"build_pcre2_32": [True, False],
"build_pcre2grep": [True, False],
"with_zlib": [True, False],
"with_bzip2": [True, False],
"support_jit": [True, False],
"grep_support_callout_fork": [True, False],
"link_size": [2, 3, 4],
}
default_options = {
"shared": False,
"fPIC": True,
"build_pcre2_8": True,
"build_pcre2_16": True,
"build_pcre2_32": True,
"build_pcre2grep": True,
"with_zlib": True,
"with_bzip2": True,
"support_jit": False,
"grep_support_callout_fork": True,
"link_size": 2,
}
def export_sources(self):
export_conandata_patches(self)
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
def configure(self):
if self.options.shared:
self.options.rm_safe("fPIC")
self.settings.rm_safe("compiler.cppstd")
self.settings.rm_safe("compiler.libcxx")
if not self.options.build_pcre2grep:
del self.options.with_zlib
del self.options.with_bzip2
del self.options.grep_support_callout_fork
def layout(self):
cmake_layout(self, src_folder="src")
def requirements(self):
if self.options.get_safe("with_zlib"):
self.requires("zlib/[>=1.2.11 <2]")
if self.options.get_safe("with_bzip2"):
self.requires("bzip2/1.0.8")
def validate(self):
if not self.options.build_pcre2_8 and not self.options.build_pcre2_16 and not self.options.build_pcre2_32:
raise ConanInvalidConfiguration("At least one of build_pcre2_8, build_pcre2_16 or build_pcre2_32 must be enabled")
if self.options.build_pcre2grep and not self.options.build_pcre2_8:
raise ConanInvalidConfiguration("build_pcre2_8 must be enabled for the pcre2grep program")
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
def generate(self):
tc = CMakeToolchain(self)
# Mandatory because upstream CMakeLists overrides BUILD_SHARED_LIBS as a CACHE variable
# (see https://github.com/conan-io/conan/issues/11840)
tc.variables["BUILD_SHARED_LIBS"] = self.options.shared
if Version(self.version) >= "10.38":
tc.variables["BUILD_STATIC_LIBS"] = not self.options.shared
tc.variables["PCRE2_BUILD_PCRE2GREP"] = self.options.build_pcre2grep
tc.variables["PCRE2_SUPPORT_LIBZ"] = self.options.get_safe("with_zlib", False)
tc.variables["PCRE2_SUPPORT_LIBBZ2"] = self.options.get_safe("with_bzip2", False)
tc.variables["PCRE2_BUILD_TESTS"] = False
if is_msvc(self):
tc.variables["PCRE2_STATIC_RUNTIME"] = is_msvc_static_runtime(self)
tc.variables["PCRE2_DEBUG"] = self.settings.build_type == "Debug"
tc.variables["PCRE2_BUILD_PCRE2_8"] = self.options.build_pcre2_8
tc.variables["PCRE2_BUILD_PCRE2_16"] = self.options.build_pcre2_16
tc.variables["PCRE2_BUILD_PCRE2_32"] = self.options.build_pcre2_32
tc.variables["PCRE2_SUPPORT_JIT"] = self.options.support_jit
tc.variables["PCRE2_LINK_SIZE"] = self.options.link_size
tc.variables["PCRE2GREP_SUPPORT_CALLOUT_FORK"] = self.options.get_safe("grep_support_callout_fork", False)
if Version(self.version) < "10.38":
# relocatable shared libs on Macos
tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0042"] = "NEW"
tc.generate()
cd = CMakeDeps(self)
cd.generate()
def _patch_sources(self):
apply_conandata_patches(self)
cmakelists = os.path.join(self.source_folder, "CMakeLists.txt")
# Do not add ${PROJECT_SOURCE_DIR}/cmake because it contains a custom
# FindPackageHandleStandardArgs.cmake which can break conan generators
if Version(self.version) < "10.34":
replace_in_file(self, cmakelists, "SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)", "")
else:
replace_in_file(self, cmakelists, "LIST(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)", "")
# Avoid CMP0006 error (macos bundle)
replace_in_file(self, cmakelists,
"RUNTIME DESTINATION bin",
"RUNTIME DESTINATION bin BUNDLE DESTINATION bin")
# pcre2-config does not correctly include '-static' in static library names
if is_msvc(self):
replace = None
if Version(self.version) > "10.42":
replace = "configure_file(pcre2-config.in"
elif Version(self.version) >= "10.38":
replace = "CONFIGURE_FILE(pcre2-config.in"
postfix = "-static" if not self.options.shared else ""
if replace:
if self.settings.build_type == "Debug":
postfix += "d"
replace_in_file(self, cmakelists, replace, f'set(LIB_POSTFIX "{postfix}")\n{replace}')
def build(self):
self._patch_sources()
cmake = CMake(self)
cmake.configure()
cmake.build()
def package(self):
copy(self, "LICENCE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
cmake = CMake(self)
cmake.install()
rmdir(self, os.path.join(self.package_folder, "cmake"))
rmdir(self, os.path.join(self.package_folder, "man"))
rmdir(self, os.path.join(self.package_folder, "share"))
rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
def package_info(self):
self.cpp_info.set_property("cmake_file_name", "PCRE2")
self.cpp_info.set_property("pkg_config_name", "libpcre2")
if self.options.build_pcre2_8:
# pcre2-8
self.cpp_info.components["pcre2-8"].set_property("cmake_target_name", "PCRE2::8BIT")
self.cpp_info.components["pcre2-8"].set_property("pkg_config_name", "libpcre2-8")
self.cpp_info.components["pcre2-8"].libs = [self._lib_name("pcre2-8")]
if not self.options.shared:
self.cpp_info.components["pcre2-8"].defines.append("PCRE2_STATIC")
# pcre2-posix
self.cpp_info.components["pcre2-posix"].set_property("cmake_target_name", "PCRE2::POSIX")
self.cpp_info.components["pcre2-posix"].set_property("pkg_config_name", "libpcre2-posix")
self.cpp_info.components["pcre2-posix"].libs = [self._lib_name("pcre2-posix")]
self.cpp_info.components["pcre2-posix"].requires = ["pcre2-8"]
if Version(self.version) >= "10.43" and is_msvc(self) and self.options.shared:
self.cpp_info.components["pcre2-posix"].defines.append("PCRE2POSIX_SHARED=1")
# pcre2-16
if self.options.build_pcre2_16:
self.cpp_info.components["pcre2-16"].set_property("cmake_target_name", "PCRE2::16BIT")
self.cpp_info.components["pcre2-16"].set_property("pkg_config_name", "libpcre2-16")
self.cpp_info.components["pcre2-16"].libs = [self._lib_name("pcre2-16")]
if not self.options.shared:
self.cpp_info.components["pcre2-16"].defines.append("PCRE2_STATIC")
# pcre2-32
if self.options.build_pcre2_32:
self.cpp_info.components["pcre2-32"].set_property("cmake_target_name", "PCRE2::32BIT")
self.cpp_info.components["pcre2-32"].set_property("pkg_config_name", "libpcre2-32")
self.cpp_info.components["pcre2-32"].libs = [self._lib_name("pcre2-32")]
if not self.options.shared:
self.cpp_info.components["pcre2-32"].defines.append("PCRE2_STATIC")
if self.options.build_pcre2grep:
bin_path = os.path.join(self.package_folder, "bin")
self.output.info(f"Appending PATH environment variable: {bin_path}")
self.env_info.PATH.append(bin_path)
# FIXME: This is a workaround to avoid ConanException. zlib and bzip2
# are optional requirements of pcre2grep executable, not of any pcre2 lib.
if self.options.with_zlib:
self.cpp_info.components["pcre2-8"].requires.append("zlib::zlib")
if self.options.with_bzip2:
self.cpp_info.components["pcre2-8"].requires.append("bzip2::bzip2")
# TODO: to remove in conan v2 once cmake_find_package* & pkg_config generator removed
self.cpp_info.names["cmake_find_package"] = "PCRE2"
self.cpp_info.names["cmake_find_package_multi"] = "PCRE2"
self.cpp_info.names["pkg_config"] = "libpcre2"
if self.options.build_pcre2_8:
self.cpp_info.components["pcre2-8"].names["cmake_find_package"] = "8BIT"
self.cpp_info.components["pcre2-8"].names["cmake_find_package_multi"] = "8BIT"
self.cpp_info.components["pcre2-posix"].names["cmake_find_package"] = "POSIX"
self.cpp_info.components["pcre2-posix"].names["cmake_find_package_multi"] = "POSIX"
if self.options.build_pcre2_16:
self.cpp_info.components["pcre2-16"].names["cmake_find_package"] = "16BIT"
self.cpp_info.components["pcre2-16"].names["cmake_find_package_multi"] = "16BIT"
if self.options.build_pcre2_32:
self.cpp_info.components["pcre2-32"].names["cmake_find_package"] = "32BIT"
self.cpp_info.components["pcre2-32"].names["cmake_find_package_multi"] = "32BIT"
def _lib_name(self, name):
libname = name
if Version(self.version) >= "10.38" and is_msvc(self) and not self.options.shared:
libname += "-static"
if self.settings.os == "Windows":
if self.settings.build_type == "Debug":
libname += "d"
if self.settings.compiler == "gcc" and self.options.shared:
libname += ".dll"
return libname

17
recipes/pcre2/all/patches/0001-fix-cmake-1.32.patch Normal file
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@@ -0,0 +1,17 @@
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,13 +83,13 @@
# 2018-06-19 PH added checks for stdint.h and inttypes.h
# 2018-06-27 PH added Daniel's patch to increase the stack for MSVC
-PROJECT(PCRE2 C)
# Increased minimum to 2.8.0 to support newer add_test features. Set policy
# CMP0026 to avoid warnings for the use of LOCATION in GET_TARGET_PROPERTY.
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0)
CMAKE_POLICY(SET CMP0026 OLD)
+PROJECT(PCRE2 C)
SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) # for FindReadline.cmake

14
recipes/pcre2/all/patches/0001-fix-cmake-1.33.patch Normal file
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@@ -0,0 +1,14 @@
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,10 +86,10 @@
# 2018-11-16 PH added PCRE2GREP_SUPPORT_CALLOUT_FORK support and tidied
# 2019-02-16 PH hacked to avoid CMP0026 policy issue (see comments below)
-PROJECT(PCRE2 C)
# Increased minimum to 2.8.0 to support newer add_test features.
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0)
+PROJECT(PCRE2 C)
# Set policy CMP0026 to avoid warnings for the use of LOCATION in
# GET_TARGET_PROPERTY. This should no longer be required.

14
recipes/pcre2/all/patches/0001-fix-cmake-1.35.patch Normal file
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@@ -0,0 +1,14 @@
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,10 +93,10 @@
# 2020-04-25 Carlo added function check for mkostemp used in ProtExecAllocator
# 2020-04-28 PH added function check for memfd_create based on Carlo's patch
-PROJECT(PCRE2 C)
# Increased minimum to 2.8.0 to support newer add_test features.
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0)
+PROJECT(PCRE2 C)
# Set policy CMP0026 to avoid warnings for the use of LOCATION in
# GET_TARGET_PROPERTY. This should no longer be required.

14
recipes/pcre2/all/patches/0001-fix-cmake-1.36.patch Normal file
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@@ -0,0 +1,14 @@
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,10 +95,10 @@
# 2020-05-25 PH added a check for Intel CET
# 2020-12-03 PH altered the definition of pcre2test as suggested by Daniel
-PROJECT(PCRE2 C)
# Increased minimum to 2.8.5 to support GNUInstallDirs.
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5)
+PROJECT(PCRE2 C)
# Set policy CMP0026 to avoid warnings for the use of LOCATION in
# GET_TARGET_PROPERTY. This should no longer be required.

15
recipes/pcre2/all/patches/0001-fix-cmake-1.39.patch Normal file
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@@ -0,0 +1,15 @@
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,11 +100,11 @@
# 2021-08-28 PH increased minimum version
# 2021-08-28 PH added test for realpath()
-PROJECT(PCRE2 C)
# Increased minimum to 2.8.5 to support GNUInstallDirs.
# Increased minimum to 3.0.0 because older than 2.8.12 is deprecated.
CMAKE_MINIMUM_REQUIRED(VERSION 3.0.0)
+PROJECT(PCRE2 C)
# Set policy CMP0026 to avoid warnings for the use of LOCATION in
# GET_TARGET_PROPERTY. This should no longer be required.

52
recipes/pcre2/all/patches/0002-fix-cmake-c-std.patch Normal file
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@@ -0,0 +1,52 @@
From 12b0e40ee4556318e5a0da3155f28bdfd7c5bc35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlo=20Marcelo=20Arenas=20Bel=C3=B3n?= <carenas@gmail.com>
Date: Sun, 15 Jan 2023 14:38:44 -0800
Subject: [PATCH] build: make the C99 requirement explicit
Recent code uses C99 syntax (as reported in #163, and therefore it
will fail to build unless C99 (or higher) support is required by the
compiler (gcc >= 5 does it by default).
For those unfortunate to need an older compiler that does require a
flag to enable that, make sure that both autoconf and cmake make it
explicit.
While testing the change with the ancient autoconf version listed as
a prerequisite, noticed that the LT_INIT syntax introduced with 91485e5
(Update configure.ac for latest version of autoconf., 2021-02-02), was
not supported, so update the autoconf minimum as well.
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cec7dfb4..a8147575 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,1 +107,3 @@
PROJECT(PCRE2 C)
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED TRUE)
# Set policy CMP0026 to avoid warnings for the use of LOCATION in
# GET_TARGET_PROPERTY. This should no longer be required.
diff --git a/configure.ac b/configure.ac
index ce5bda3c..67b2fdce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ m4_define(libpcre2_posix_version, [3:4:0])
# NOTE: The CMakeLists.txt file searches for the above variables in the first
# 50 lines of this file. Please update that if the variables above are moved.
-AC_PREREQ([2.60])
+AC_PREREQ([2.62])
AC_INIT([PCRE2],pcre2_major.pcre2_minor[]pcre2_prerelease,[],[pcre2])
AC_CONFIG_SRCDIR([src/pcre2.h.in])
AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
@@ -42,7 +42,7 @@ AC_CONFIG_MACRO_DIR([m4])
remember_set_CFLAGS="$CFLAGS"
-AC_PROG_CC
+m4_version_prereq(2.70, [AC_PROG_CC], [AC_PROG_CC_C99])
AM_PROG_CC_C_O
AC_USE_SYSTEM_EXTENSIONS

7
recipes/pcre2/all/test_package/CMakeLists.txt Normal file
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@@ -0,0 +1,7 @@
cmake_minimum_required(VERSION 3.1)
project(test_package LANGUAGES C)
find_package(PCRE2 REQUIRED 8BIT CONFIG)
add_executable(${PROJECT_NAME} test_package.c)
target_link_libraries(${PROJECT_NAME} PRIVATE PCRE2::8BIT)

10
recipes/pcre2/all/test_package/CMakeUserPresets.json Normal file
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@@ -0,0 +1,10 @@
{
"version": 4,
"vendor": {
"conan": {}
},
"include": [
"build/gcc-12-x86_64-gnu17-release/generators/CMakePresets.json",
"build/gcc-11.5-x86_64-17-release/generators/CMakePresets.json"
]
}

26
recipes/pcre2/all/test_package/conanfile.py Normal file
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@@ -0,0 +1,26 @@
from conan import ConanFile
from conan.tools.build import can_run
from conan.tools.cmake import CMake, cmake_layout
import os
class TestPackageConan(ConanFile):
settings = "os", "arch", "compiler", "build_type"
generators = "CMakeToolchain", "CMakeDeps", "VirtualRunEnv"
test_type = "explicit"
def layout(self):
cmake_layout(self)
def requirements(self):
self.requires(self.tested_reference_str)
def build(self):
cmake = CMake(self)
cmake.configure()
cmake.build()
def test(self):
if can_run(self):
bin_path = os.path.join(self.cpp.build.bindir, "test_package")
self.run(bin_path, env="conanrun")

34
recipes/pcre2/all/test_package/test_package.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
int main() {
pcre2_code *re;
int rc;
PCRE2_SIZE erroffset;
int errcode;
PCRE2_SIZE* ovector;
const char *pattern = "\\w+";
size_t pattern_size = strlen(pattern);
const char *subject = "conan";
size_t subject_size = strlen(subject);
uint32_t options = 0;
pcre2_match_data *match_data;
uint32_t ovecsize = 128;
re = pcre2_compile(pattern, pattern_size, options, &errcode, &erroffset, NULL);
match_data = pcre2_match_data_create(ovecsize, NULL);
rc = pcre2_match(re, subject, subject_size, 0, options, match_data, NULL);
ovector = pcre2_get_ovector_pointer(match_data);
PCRE2_SPTR start = subject + ovector[0];
PCRE2_SIZE slen = ovector[1] - ovector[0];
printf("match: %.*s\n", (int)slen, (char *)start );
pcre2_match_data_free(match_data);
pcre2_code_free(re);
return EXIT_SUCCESS;
}