******************************************************************************** conan install nspr/4.27@ --build=nspr --profile=/home/conan/w/BuildSingleReference/49219/b7c118d9-bcc7-4687-b81f-34760374495b/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=8 os=Linux [options] nspr:shared=True [build_requires] [env] nspr/4.27: Forced build from source Installing package: nspr/4.27 Requirements nspr/4.27 from local cache - Cache Packages nspr/4.27:2b8c476dc12ce736f9ee0bf295a5bc2c8455d988 - Build Installing (downloading, building) binaries... nspr/4.27: Copying sources to build folder nspr/4.27: Building your package in /home/conan/w/BuildSingleReference/.conan/data/nspr/4.27/_/_/build/2b8c476dc12ce736f9ee0bf295a5bc2c8455d988 nspr/4.27: Generator cmake created conanbuildinfo.cmake nspr/4.27: Aggregating env generators [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 nspr/4.27: Calling build() nspr/4.27: nspr/4.27: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/nspr/4.27/_/_/build/2b8c476dc12ce736f9ee0bf295a5bc2c8455d988 nspr/4.27: ERROR: Package '2b8c476dc12ce736f9ee0bf295a5bc2c8455d988' build failed nspr/4.27: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/nspr/4.27/_/_/build/2b8c476dc12ce736f9ee0bf295a5bc2c8455d988 ERROR: nspr/4.27: Error in build() method, line 112 autotools = self._configure_autotools() while calling '_configure_autotools', line 78 "--enable-64bit" if self.settings.arch in self.settings.arch in ("armv8", "x86_64") else "--disable-64bit", TypeError: 'in ' requires string as left operand, not SettingsItem