/home/conan/w/cci_PR-3732/.conan/data/root/v6-22-02/_/_/build/a59e3ca7bea2f0b6fa74c19e12034fcadb15039b/root-6-22-02/core/foundation/src/FoundationUtils.cxx:140:36: error: no member named 'getenv' in the global namespace
      if (const char* envValue = ::getenv("ROOTSYS")) {
                                 ~~^
1 error generated.
make[2]: *** [core/foundation/CMakeFiles/Foundation.dir/src/FoundationUtils.cxx.o] Error 1
make[1]: *** [core/foundation/CMakeFiles/Foundation.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
clang: error: unable to execute command: Terminated
clang: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 5.0.0-3 (tags/RELEASE_500/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
Terminated
make[2]: *** [core/cont/CMakeFiles/Cont.dir/src/TObjArray.cxx.o] Error 143
make[2]: *** Waiting for unfinished jobs....
clang: error: unable to execute command: Terminated
clang: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 5.0.0-3 (tags/RELEASE_500/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
Terminated
make[2]: *** [core/cont/CMakeFiles/Cont.dir/src/TList.cxx.o] Error 143
clang: error: unable to execute command: Terminated
clang: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 5.0.0-3 (tags/RELEASE_500/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
Terminated
make[2]: *** [core/cont/CMakeFiles/Cont.dir/src/TMap.cxx.o] Error 143
make[1]: *** [core/cont/CMakeFiles/Cont.dir/all] Error 2
make: *** [all] Error 2
WARN: libcurl/7.73.0: requirement openssl/1.1.1h overridden by root/v6-22-02 to openssl/1.1.1i 
root/v6-22-02: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3732/.conan/data/root/v6-22-02/_/_/build/a59e3ca7bea2f0b6fa74c19e12034fcadb15039b
root/v6-22-02: ERROR: Package 'a59e3ca7bea2f0b6fa74c19e12034fcadb15039b' build failed
root/v6-22-02: WARN: Build folder /home/conan/w/cci_PR-3732/.conan/data/root/v6-22-02/_/_/build/a59e3ca7bea2f0b6fa74c19e12034fcadb15039b
ERROR: pcre/8.44:4fdf5ae79a46406446dbfabfc69ffec384f2c0ed