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conan install libpqxx/7.0.1@ --build=libpqxx --profile=/Users/jenkins/w/BuildSingleReference@4/27222/33ed62ae-dbc6-4678-b045-871d446e99e6/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=10.0
os=Macos
os_build=Macos
[options]
libpqxx:shared=True
[build_requires]
[env]

libpqxx/7.0.1: Forced build from source
Installing package: libpqxx/7.0.1
Requirements
    libpq/12.2 from 'conan-center' - Cache
    libpqxx/7.0.1 from local cache - Cache
Packages
    libpq/12.2:1513b3452ef7e2a2dd5f931247c5e02edeb98cc9 - Cache
    libpqxx/7.0.1:df349a59e5ac3a4ba4f0ef2b56a0e59c37b3f19e - Build

Installing (downloading, building) binaries...
libpq/12.2: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
libpqxx/7.0.1: Copying sources to build folder
libpqxx/7.0.1: Building your package in /Users/jenkins/w/BuildSingleReference@4/.conan/data/libpqxx/7.0.1/_/_/build/df349a59e5ac3a4ba4f0ef2b56a0e59c37b3f19e
libpqxx/7.0.1: Generator cmake created conanbuildinfo.cmake
libpqxx/7.0.1: Generator cmake_find_package created FindPostgreSQL.cmake
[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
libpqxx/7.0.1: Calling build()
libpqxx/7.0.1: 
libpqxx/7.0.1: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@4/.conan/data/libpqxx/7.0.1/_/_/build/df349a59e5ac3a4ba4f0ef2b56a0e59c37b3f19e
libpqxx/7.0.1: ERROR: Package 'df349a59e5ac3a4ba4f0ef2b56a0e59c37b3f19e' build failed
libpqxx/7.0.1: WARN: Build folder /Users/jenkins/w/BuildSingleReference@4/.conan/data/libpqxx/7.0.1/_/_/build/df349a59e5ac3a4ba4f0ef2b56a0e59c37b3f19e
ERROR: libpqxx/7.0.1: Error in build() method, line 102
	cmake = self._configure_cmake()
while calling '_configure_cmake', line 90
	cmake.definitions['CMAKE_OSX_DEPLOYMENT_TARGET'] = self._mac_os_minimum_required_version
	NameError: name 'cmake' is not defined