[HOOK - conan-center.py] pre_export(): [DEPRECATED GLOBAL CPPSTD (KB-H001)] OK
[HOOK - conan-center.py] pre_export(): [REFERENCE LOWERCASE (KB-H002)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE METADATA (KB-H003)] OK
[HOOK - conan-center.py] pre_export(): [HEADER_ONLY, NO COPY SOURCE (KB-H005)] OK
[HOOK - conan-center.py] pre_export(): [FPIC OPTION (KB-H006)] OK
[HOOK - conan-center.py] pre_export(): [VERSION RANGES (KB-H008)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] Total recipe size: 2.9970703125 KB
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] OK
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: None
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: None
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE FOLDER (KB-H024)] OK
[HOOK - conan-center.py] pre_export(): [META LINES (KB-H025)] OK
[HOOK - conan-center.py] pre_export(): [CONAN CENTER INDEX URL (KB-H027)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE MINIMUM VERSION (KB-H028)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - RUN ENVIRONMENT (KB-H029)] OK
[HOOK - conan-center.py] pre_export(): [SYSTEM REQUIREMENTS (KB-H032)] OK
[HOOK - conan-center.py] pre_export(): [CONANDATA.YML FORMAT (KB-H030)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - NO IMPORTS() (KB-H034)] OK
[HOOK - conan-center.py] pre_export(): [NO AUTHOR (KB-H037)] OK
[HOOK - conan-center.py] pre_export(): [NO TARGET NAME (KB-H040)] OK
[HOOK - conan-center.py] pre_export(): [NO FINAL ENDLINE (KB-H041)] OK
[HOOK - conan-center.py] pre_export(): [NO REQUIRES.ADD() (KB-H044)] OK
[HOOK - conan-center.py] pre_export(): [DELETE OPTIONS (KB-H045)] OK
[HOOK - conan-center.py] pre_export(): [NO ASCII CHARACTERS (KB-H047)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE VERBOSE MAKEFILE (KB-H046)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE VERSION REQUIRED (KB-H048)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE WINDOWS EXPORT ALL SYMBOLS (KB-H049)] OK
[HOOK - conan-center.py] pre_export(): [DEFAULT OPTIONS AS DICTIONARY (KB-H051)] OK
[HOOK - conan-center.py] pre_export(): [CONFIG.YML HAS NEW VERSION (KB-H052)] OK
[HOOK - conan-center.py] pre_export(): [PRIVATE IMPORTS (KB-H053)] OK
Exporting package recipe
libbacktrace/1.0 exports: File 'conandata.yml' found. Exporting it...
libbacktrace/1.0 exports: Copied 1 '.yml' file: conandata.yml
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] Saving conandata.yml: {'sources': {'1.0': {'url': 'https://github.com/ianlancetaylor/libbacktrace.git'}}}
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] New conandata.yml contents: sources:
  '1.0':
    url: https://github.com/ianlancetaylor/libbacktrace.git

[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] OK
[HOOK - conan-center.py] post_export(): [DEFAULT SHARED OPTION VALUE (KB-H050)] OK
libbacktrace/1.0: The stored package has not changed
libbacktrace/1.0: Using the exported files summary hash as the recipe revision: a152028010b0ba4f18b017bfa03ea930 
libbacktrace/1.0: Exported revision: a152028010b0ba4f18b017bfa03ea930
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libstdc++
compiler.version=7.0
os=Linux
os_build=Linux
[options]
libbacktrace:shared=True
[build_requires]
[env]

libbacktrace/1.0: Forced build from source
libbacktrace/1.0 (test package): Installing package
Requirements
    libbacktrace/1.0 from local cache - Cache
Packages
    libbacktrace/1.0:391ab395c052d1b00ab8af5fa6c9bde3338f0a93 - Build

Installing (downloading, building) binaries...
libbacktrace/1.0: Copying sources to build folder
libbacktrace/1.0: Building your package in /home/conan/w/cci_PR-4431/.conan/data/libbacktrace/1.0/_/_/build/391ab395c052d1b00ab8af5fa6c9bde3338f0a93
libbacktrace/1.0: Generator txt created conanbuildinfo.txt
[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
libbacktrace/1.0: Calling build()
libbacktrace/1.0: Calling:
 > ./configure '--enable-shared' '--disable-static' '--prefix=/home/conan/w/cci_PR-4431/.conan/data/libbacktrace/1.0/_/_/package/391ab395c052d1b00ab8af5fa6c9bde3338f0a93' '--bindir=${prefix}/bin' '--sbindir=${prefix}/bin' '--libexecdir=${prefix}/bin' '--libdir=${prefix}/lib' '--includedir=${prefix}/include' '--oldincludedir=${prefix}/include' '--datarootdir=${prefix}/share' 

----Running------
> ./configure '--enable-shared' '--disable-static' '--prefix=/home/conan/w/cci_PR-4431/.conan/data/libbacktrace/1.0/_/_/package/391ab395c052d1b00ab8af5fa6c9bde3338f0a93' '--bindir=${prefix}/bin' '--sbindir=${prefix}/bin' '--libexecdir=${prefix}/bin' '--libdir=${prefix}/lib' '--includedir=${prefix}/include' '--oldincludedir=${prefix}/include' '--datarootdir=${prefix}/share' 
-----------------
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for gcc... clang
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether clang accepts -g... yes
checking for clang option to accept ISO C89... none needed
checking whether clang understands -c and -o together... yes
checking how to run the C preprocessor... clang -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for gcc... (cached) clang
checking whether we are using the GNU C compiler... (cached) yes
checking whether clang accepts -g... (cached) yes
checking for clang option to accept ISO C89... (cached) none needed
checking whether clang understands -c and -o together... (cached) yes
checking for ranlib... ranlib
checking for gawk... (cached) mawk
checking for dwz... dwz
checking how to print strings... printf
checking for a sed that does not truncate output... /bin/sed
checking for fgrep... /bin/grep -F
checking for ld used by clang... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking for /usr/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... (cached) ranlib
checking command to parse /usr/bin/nm -B output from clang object... ok
checking for dlfcn.h... yes
checking for objdir... .libs
checking if clang supports -fno-rtti -fno-exceptions... yes
checking for clang option to produce PIC... -fPIC -DPIC
checking if clang PIC flag -fPIC -DPIC works... libbacktrace/1.0: 

JSON file created at '/home/conan/w/cci_PR-4431/3/9c38a31a-f90a-4a81-875f-866845e30bda/_create.json'