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conan install verilator/4.034@ --build=verilator --profile=/home/conan/w/BuildSingleReference/33651/2b577224-8894-48c7-ae32-72e318536c5c/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=5
os=Linux
os_build=Linux
[options]
[build_requires]
[env]

verilator/4.034: Forced build from source
Installing package: verilator/4.034
Requirements
    verilator/4.034 from local cache - Cache
Packages
    verilator/4.034:0e7e7bcc86ece9f8447fa54cb76306674756f2f0 - Build
Build requirements
    bison/3.7.6 from 'conan-center' - Cache
    flex/2.6.4 from 'conan-center' - Cache
    m4/1.4.18 from 'conan-center' - Cache
Build requirements packages
    bison/3.7.6:d4e2c4fda75c443daaf5f26224d0044231fb93f3 - Cache
    flex/2.6.4:d4e2c4fda75c443daaf5f26224d0044231fb93f3 - Cache
    m4/1.4.18:24647d9fe8ec489125dfbae4b3ebefaf7581674c - Cache

Installing (downloading, building) binaries...
m4/1.4.18: Already installed!
m4/1.4.18: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/m4/1.4.18/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin
m4/1.4.18: Setting M4 environment variable: /home/conan/w/BuildSingleReference/.conan/data/m4/1.4.18/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin/m4
[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
bison/3.7.6: Already installed!
bison/3.7.6: Setting BISON_ROOT environment variable: /home/conan/w/BuildSingleReference/.conan/data/bison/3.7.6/_/_/package/d4e2c4fda75c443daaf5f26224d0044231fb93f3
bison/3.7.6: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/bison/3.7.6/_/_/package/d4e2c4fda75c443daaf5f26224d0044231fb93f3/bin
bison/3.7.6: Setting the BISON_PKGDATADIR environment variable: /home/conan/w/BuildSingleReference/.conan/data/bison/3.7.6/_/_/package/d4e2c4fda75c443daaf5f26224d0044231fb93f3/res/bison
[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
flex/2.6.4: Already installed!
flex/2.6.4: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/d4e2c4fda75c443daaf5f26224d0044231fb93f3/bin
flex/2.6.4: Setting LEX environment variable: /home/conan/w/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/d4e2c4fda75c443daaf5f26224d0044231fb93f3/bin/flex
[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
verilator/4.034: Applying build-requirement: flex/2.6.4
verilator/4.034: Applying build-requirement: bison/3.7.6
verilator/4.034: Applying build-requirement: m4/1.4.18
verilator/4.034: Copying sources to build folder
verilator/4.034: Building your package in /home/conan/w/BuildSingleReference/.conan/data/verilator/4.034/_/_/build/0e7e7bcc86ece9f8447fa54cb76306674756f2f0
verilator/4.034: 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
verilator/4.034: Calling build()

----Running------
> None
-----------------
verilator/4.034: 
/bin/sh: 1: None: not found
m4/1.4.18: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/BuildSingleReference/.conan/data/m4/1.4.18/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/lib
verilator/4.034: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/verilator/4.034/_/_/build/0e7e7bcc86ece9f8447fa54cb76306674756f2f0
verilator/4.034: ERROR: Package '0e7e7bcc86ece9f8447fa54cb76306674756f2f0' build failed
verilator/4.034: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/verilator/4.034/_/_/build/0e7e7bcc86ece9f8447fa54cb76306674756f2f0
ERROR: verilator/4.034: Error in build() method, line 114
	self.run(f"{tools.get_env('AUTOCONF')}", run_environment=True, win_bash=tools.os_info.is_windows)
	ConanException: Error 127 while executing None