******************************************************************************** conan test conan-center-index/recipes/autoconf/all/test_package/conanfile.py autoconf/2.69@#ea78fdba5844c946495f5f7e859688e3 -pr /Users/jenkins/w/prod/BuildSingleReference@2/144726/69ab6fa4-8cec-465c-bd18-0c554e7f9974/profile_osx_110_libcpp_apple-clang_release_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True -c tools.apple:sdk_path=/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/Users/jenkins/w/prod/BuildSingleReference@2/.conan/profiles/default) Found apple-clang 11.0 Default settings os=Macos os_build=Macos arch=x86_64 arch_build=x86_64 compiler=apple-clang compiler.version=11.0 compiler.libcxx=libc++ build_type=Release *** You can change them in /Users/jenkins/w/prod/BuildSingleReference@2/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Release compiler=apple-clang compiler.libcxx=libc++ compiler.version=11.0 os=Macos [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True tools.apple:sdk_path=/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk autoconf/2.69 (test package): Installing package Requirements Packages Build requirements autoconf/2.69 from local cache - Cache Build requirements packages autoconf/2.69:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download Installing (downloading, building) binaries... autoconf/2.69: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'c3i_PR-14925' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz autoconf/2.69: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 autoconf/2.69: Downloaded package revision 420f5e67bc8d7ac9a3f1a17a12d49562 autoconf/2.69: Defining AC_MACRODIR environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf autoconf/2.69: Defining AUTOM4TE_PERLLIBDIR environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf autoconf/2.69: Defining AUTOCONF environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoconf autoconf/2.69: Defining AUTORECONF environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoreconf autoconf/2.69: Defining AUTOHEADER environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoheader autoconf/2.69: Defining AUTOM4TE environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te autoconf/2.69 (test package): Applying build-requirement: autoconf/2.69 autoconf/2.69 (test package): Generator txt created conanbuildinfo.txt autoconf/2.69 (test package): Calling generate() autoconf/2.69 (test package): Aggregating env generators autoconf/2.69 (test package): Generated conaninfo.txt autoconf/2.69 (test package): Generated graphinfo Using lockfile: '/Users/jenkins/w/prod/BuildSingleReference@2/conan-center-index/recipes/autoconf/all/test_package/build-release/conan/conan.lock' Using cached profile from lockfile [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK autoconf/2.69 (test package): Calling build() autoconf/2.69 (test package): Copied 1 '.ac' file: configure.ac autoconf/2.69 (test package): Copied 1 '.in' file: config.h.in autoconf/2.69 (test package): Copied 1 '.in' file: Makefile.in autoconf/2.69 (test package): Copied 1 '.c' file: test_package_c.c autoconf/2.69 (test package): Copied 1 '.cpp' file: test_package_cpp.cpp ----Running------ > . "/Users/jenkins/w/prod/BuildSingleReference@2/conan-center-index/recipes/autoconf/all/test_package/build-release/conan/conanbuild.sh" && autoconf --verbose ----------------- autoconf: running /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te --verbose --language=autoconf --output=configure configure.ac autom4te: the trace request object is: autom4te: $VAR1 = bless( [ autom4te: '0', autom4te: 0, autom4te: [ autom4te: '/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf' autom4te: ], autom4te: [ autom4te: '/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf/autoconf/autoconf.m4f', autom4te: 'configure.ac' autom4te: ], autom4te: { autom4te: 'AM_MAKEFILE_INCLUDE' => 1, autom4te: '_LT_AC_TAGCONFIG' => 1, autom4te: 'AM_PROG_CC_C_O' => 1, autom4te: 'AC_DEFINE_TRACE_LITERAL' => 1, autom4te: '_AM_SUBST_NOTMAKE' => 1, autom4te: 'AM_PROG_CXX_C_O' => 1, autom4te: 'AM_SILENT_RULES' => 1, autom4te: 'AC_CANONICAL_BUILD' => 1, autom4te: 'AC_FC_PP_DEFINE' => 1, autom4te: 'AC_FC_FREEFORM' => 1, autom4te: 'AC_SUBST' => 1, autom4te: 'AM_XGETTEXT_OPTION' => 1, autom4te: 'AM_POT_TOOLS' => 1, autom4te: 'AC_CONFIG_AUX_DIR' => 1, autom4te: 'AC_PROG_LIBTOOL' => 1, autom4te: 'LT_INIT' => 1, autom4te: 'AC_FC_PP_SRCEXT' => 1, autom4te: '_AM_MAKEFILE_INCLUDE' => 1, autom4te: 'AC_CONFIG_LIBOBJ_DIR' => 1, autom4te: 'm4_pattern_forbid' => 1, autom4te: 'AC_CANONICAL_HOST' => 1, autom4te: 'AM_PATH_GUILE' => 1, autom4te: 'AM_PROG_F77_C_O' => 1, autom4te: 'm4_sinclude' => 1, autom4te: 'AM_ENABLE_MULTILIB' => 1, autom4te: 'AM_NLS' => 1, autom4te: '_AM_COND_ELSE' => 1, autom4te: 'AM_GNU_GETTEXT' => 1, autom4te: '_AM_COND_ENDIF' => 1, autom4te: 'AC_CONFIG_SUBDIRS' => 1, autom4te: 'AM_MAINTAINER_MODE' => 1, autom4te: '_AM_COND_IF' => 1, autom4te: 'AM_PROG_MOC' => 1, autom4te: 'AC_CONFIG_HEADERS' => 1, autom4te: 'AM_CONDITIONAL' => 1, autom4te: 'AC_CONFIG_FILES' => 1, autom4te: 'm4_pattern_allow' => 1, autom4te: 'AC_CANONICAL_TARGET' => 1, autom4te: 'AC_CANONICAL_SYSTEM' => 1, autom4te: 'AM_PROG_FC_C_O' => 1, autom4te: 'AH_OUTPUT' => 1, autom4te: 'm4_include' => 1, autom4te: '_m4_warn' => 1, autom4te: 'AC_LIBSOURCE' => 1, autom4te: 'AC_SUBST_TRACE' => 1, autom4te: 'AC_CONFIG_LINKS' => 1, autom4te: 'LT_SUPPORTED_TAG' => 1, autom4te: 'AM_PROG_AR' => 1, autom4te: 'AC_FC_SRCEXT' => 1, autom4te: 'AM_GNU_GETTEXT_INTL_SUBDIR' => 1, autom4te: 'AM_AUTOMAKE_VERSION' => 1, autom4te: 'sinclude' => 1, autom4te: 'AM_INIT_AUTOMAKE' => 1, autom4te: 'LT_CONFIG_LTDL_DIR' => 1, autom4te: 'include' => 1, autom4te: 'AC_REQUIRE_AUX_FILE' => 1, autom4te: 'AC_INIT' => 1 autom4te: } autom4te: ], 'Autom4te::Request' ); autom4te: running: /usr/bin/env m4 --nesting-limit=1024 --gnu --include='/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf' --debug=aflq --fatal-warning --debugfile=autom4te.cache/traces.0t --trace=AC_CANONICAL_BUILD --trace=AC_CANONICAL_HOST --trace=AC_CANONICAL_SYSTEM --trace=AC_CANONICAL_TARGET --trace=AC_CONFIG_AUX_DIR --trace=AC_CONFIG_FILES --trace=AC_CONFIG_HEADERS --trace=AC_CONFIG_LIBOBJ_DIR --trace=AC_CONFIG_LINKS --trace=AC_CONFIG_SUBDIRS --trace=AC_DEFINE_TRACE_LITERAL --trace=AC_FC_FREEFORM --trace=AC_FC_PP_DEFINE --trace=AC_FC_PP_SRCEXT --trace=AC_FC_SRCEXT --trace=AC_INIT --trace=AC_LIBSOURCE --trace=AC_PROG_LIBTOOL --trace=AC_REQUIRE_AUX_FILE --trace=AC_SUBST --trace=AC_SUBST_TRACE --trace=AH_OUTPUT --trace=AM_AUTOMAKE_VERSION --trace=AM_CONDITIONAL --trace=AM_ENABLE_MULTILIB --trace=AM_GNU_GETTEXT --trace=AM_GNU_GETTEXT_INTL_SUBDIR --trace=AM_INIT_AUTOMAKE --trace=AM_MAINTAINER_MODE --trace=AM_MAKEFILE_INCLUDE --trace=AM_NLS --trace=AM_PATH_GUILE --trace=AM_POT_TOOLS --trace=AM_PROG_AR --trace=AM_PROG_CC_C_O --trace=AM_PROG_CXX_C_O --trace=AM_PROG_F77_C_O --trace=AM_PROG_FC_C_O --trace=AM_PROG_MOC --trace=AM_SILENT_RULES --trace=AM_XGETTEXT_OPTION --trace=LT_CONFIG_LTDL_DIR --trace=LT_INIT --trace=LT_SUPPORTED_TAG --trace=_AM_COND_ELSE --trace=_AM_COND_ENDIF --trace=_AM_COND_IF --trace=_AM_MAKEFILE_INCLUDE --trace=_AM_SUBST_NOTMAKE --trace=_LT_AC_TAGCONFIG --trace=_m4_warn --trace=include --trace=m4_include --trace=m4_pattern_allow --trace=m4_pattern_forbid --trace=m4_sinclude --trace=sinclude --reload-state='/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf/autoconf/autoconf.m4f' --undefine=__m4_version__ configure.ac > autom4te.cache/output.0t /Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/m4: unrecognized option `--gnu' Try `/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/m4 --help' for more information. autom4te: /usr/bin/env failed with exit status: 1 autoconf/2.69 (test package): WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior ERROR: autoconf/2.69 (test package): Error in build() method, line 42 self.run("autoconf --verbose") ConanException: Error 1 while executing autoconf --verbose ******************************************************************************** conan test conan-center-index/recipes/autoconf/all/test_v1_package/conanfile.py autoconf/2.69@#ea78fdba5844c946495f5f7e859688e3 -pr /Users/jenkins/w/prod/BuildSingleReference@2/144726/69ab6fa4-8cec-465c-bd18-0c554e7f9974/profile_osx_110_libcpp_apple-clang_release_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True -c tools.apple:sdk_path=/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk ******************************************************************************** Configuration: [settings] arch=x86_64 build_type=Release compiler=apple-clang compiler.libcxx=libc++ compiler.version=11.0 os=Macos [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True tools.apple:sdk_path=/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk autoconf/2.69 (test package): Installing package Requirements Packages Build requirements autoconf/2.69 from local cache - Cache Build requirements packages autoconf/2.69:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache Installing (downloading, building) binaries... autoconf/2.69: Already installed! autoconf/2.69: Defining AC_MACRODIR environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf autoconf/2.69: Defining AUTOM4TE_PERLLIBDIR environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf autoconf/2.69: Defining AUTOCONF environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoconf autoconf/2.69: Defining AUTORECONF environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoreconf autoconf/2.69: Defining AUTOHEADER environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoheader autoconf/2.69: Defining AUTOM4TE environment variable: /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te autoconf/2.69 (test package): Applying build-requirement: autoconf/2.69 autoconf/2.69 (test package): Generator txt created conanbuildinfo.txt autoconf/2.69 (test package): Aggregating env generators autoconf/2.69 (test package): Generated conaninfo.txt autoconf/2.69 (test package): Generated graphinfo Using lockfile: '/Users/jenkins/w/prod/BuildSingleReference@2/conan-center-index/recipes/autoconf/all/test_v1_package/build/685d68239dc5bdb7fd9183de5552468dd810e598/conan.lock' Using cached profile from lockfile [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK autoconf/2.69 (test package): Calling build() autoconf/2.69 (test package): Copied 1 '.ac' file: configure.ac autoconf/2.69 (test package): Copied 1 '.in' file: config.h.in autoconf/2.69 (test package): Copied 1 '.in' file: Makefile.in autoconf/2.69 (test package): Copied 1 '.c' file: test_package_c.c autoconf/2.69 (test package): Copied 1 '.cpp' file: test_package_cpp.cpp ----Running------ > autoconf --verbose ----------------- autoconf: running /Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te --verbose --language=autoconf --output=configure configure.ac autom4te: the trace request object is: autom4te: $VAR1 = bless( [ autom4te: '0', autom4te: 0, autom4te: [ autom4te: '/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf' autom4te: ], autom4te: [ autom4te: '/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf/autoconf/autoconf.m4f', autom4te: 'configure.ac' autom4te: ], autom4te: { autom4te: 'AC_REQUIRE_AUX_FILE' => 1, autom4te: 'AC_CANONICAL_SYSTEM' => 1, autom4te: '_AM_SUBST_NOTMAKE' => 1, autom4te: '_AM_COND_IF' => 1, autom4te: 'LT_INIT' => 1, autom4te: '_m4_warn' => 1, autom4te: 'AM_ENABLE_MULTILIB' => 1, autom4te: 'AC_LIBSOURCE' => 1, autom4te: 'AM_PROG_AR' => 1, autom4te: 'AM_NLS' => 1, autom4te: 'AC_PROG_LIBTOOL' => 1, autom4te: 'AM_PROG_MOC' => 1, autom4te: 'AC_CANONICAL_HOST' => 1, autom4te: 'AH_OUTPUT' => 1, autom4te: 'm4_sinclude' => 1, autom4te: '_AM_COND_ENDIF' => 1, autom4te: 'AC_CONFIG_LINKS' => 1, autom4te: 'm4_include' => 1, autom4te: 'AM_CONDITIONAL' => 1, autom4te: 'm4_pattern_allow' => 1, autom4te: 'AC_CANONICAL_BUILD' => 1, autom4te: 'AC_DEFINE_TRACE_LITERAL' => 1, autom4te: 'AM_PROG_CC_C_O' => 1, autom4te: 'AM_MAKEFILE_INCLUDE' => 1, autom4te: 'include' => 1, autom4te: 'AM_SILENT_RULES' => 1, autom4te: '_AM_COND_ELSE' => 1, autom4te: 'AC_FC_SRCEXT' => 1, autom4te: 'AC_FC_PP_SRCEXT' => 1, autom4te: 'LT_SUPPORTED_TAG' => 1, autom4te: 'AC_CANONICAL_TARGET' => 1, autom4te: 'AM_GNU_GETTEXT' => 1, autom4te: 'AC_CONFIG_FILES' => 1, autom4te: '_AM_MAKEFILE_INCLUDE' => 1, autom4te: 'AC_FC_PP_DEFINE' => 1, autom4te: 'AM_POT_TOOLS' => 1, autom4te: 'AM_PROG_FC_C_O' => 1, autom4te: 'AC_FC_FREEFORM' => 1, autom4te: 'AC_CONFIG_AUX_DIR' => 1, autom4te: 'AM_MAINTAINER_MODE' => 1, autom4te: 'AC_INIT' => 1, autom4te: 'AM_PATH_GUILE' => 1, autom4te: 'AC_CONFIG_LIBOBJ_DIR' => 1, autom4te: 'LT_CONFIG_LTDL_DIR' => 1, autom4te: 'AM_PROG_F77_C_O' => 1, autom4te: 'sinclude' => 1, autom4te: 'm4_pattern_forbid' => 1, autom4te: '_LT_AC_TAGCONFIG' => 1, autom4te: 'AM_XGETTEXT_OPTION' => 1, autom4te: 'AC_SUBST' => 1, autom4te: 'AC_SUBST_TRACE' => 1, autom4te: 'AM_GNU_GETTEXT_INTL_SUBDIR' => 1, autom4te: 'AM_AUTOMAKE_VERSION' => 1, autom4te: 'AM_PROG_CXX_C_O' => 1, autom4te: 'AM_INIT_AUTOMAKE' => 1, autom4te: 'AC_CONFIG_SUBDIRS' => 1, autom4te: 'AC_CONFIG_HEADERS' => 1 autom4te: } autom4te: ], 'Autom4te::Request' ); autom4te: running: /usr/bin/env m4 --nesting-limit=1024 --gnu --include='/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf' --debug=aflq --fatal-warning --debugfile=autom4te.cache/traces.0t --trace=AC_CANONICAL_BUILD --trace=AC_CANONICAL_HOST --trace=AC_CANONICAL_SYSTEM --trace=AC_CANONICAL_TARGET --trace=AC_CONFIG_AUX_DIR --trace=AC_CONFIG_FILES --trace=AC_CONFIG_HEADERS --trace=AC_CONFIG_LIBOBJ_DIR --trace=AC_CONFIG_LINKS --trace=AC_CONFIG_SUBDIRS --trace=AC_DEFINE_TRACE_LITERAL --trace=AC_FC_FREEFORM --trace=AC_FC_PP_DEFINE --trace=AC_FC_PP_SRCEXT --trace=AC_FC_SRCEXT --trace=AC_INIT --trace=AC_LIBSOURCE --trace=AC_PROG_LIBTOOL --trace=AC_REQUIRE_AUX_FILE --trace=AC_SUBST --trace=AC_SUBST_TRACE --trace=AH_OUTPUT --trace=AM_AUTOMAKE_VERSION --trace=AM_CONDITIONAL --trace=AM_ENABLE_MULTILIB --trace=AM_GNU_GETTEXT --trace=AM_GNU_GETTEXT_INTL_SUBDIR --trace=AM_INIT_AUTOMAKE --trace=AM_MAINTAINER_MODE --trace=AM_MAKEFILE_INCLUDE --trace=AM_NLS --trace=AM_PATH_GUILE --trace=AM_POT_TOOLS --trace=AM_PROG_AR --trace=AM_PROG_CC_C_O --trace=AM_PROG_CXX_C_O --trace=AM_PROG_F77_C_O --trace=AM_PROG_FC_C_O --trace=AM_PROG_MOC --trace=AM_SILENT_RULES --trace=AM_XGETTEXT_OPTION --trace=LT_CONFIG_LTDL_DIR --trace=LT_INIT --trace=LT_SUPPORTED_TAG --trace=_AM_COND_ELSE --trace=_AM_COND_ENDIF --trace=_AM_COND_IF --trace=_AM_MAKEFILE_INCLUDE --trace=_AM_SUBST_NOTMAKE --trace=_LT_AC_TAGCONFIG --trace=_m4_warn --trace=include --trace=m4_include --trace=m4_pattern_allow --trace=m4_pattern_forbid --trace=m4_sinclude --trace=sinclude --reload-state='/Users/jenkins/w/prod/BuildSingleReference@2/.conan/data/autoconf/2.69/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf/autoconf/autoconf.m4f' --undefine=__m4_version__ configure.ac > autom4te.cache/output.0t /Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/m4: unrecognized option `--gnu' Try `/Applications/conan/xcode/11.0/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/m4 --help' for more information. autom4te: /usr/bin/env failed with exit status: 1 ERROR: autoconf/2.69 (test package): Error in build() method, line 33 self.run("autoconf --verbose", win_bash=tools.os_info.is_windows) ConanException: Error 1 while executing autoconf --verbose