For TL, we do not want to prefer clang(++) for ICU when the whole rest of the tree prefers gcc. --- source/configure~ 2022-04-07 15:41:55.000000000 -0700 +++ source/configure 2022-05-30 13:20:19.130618230 -0700 @@ -2925,5 +2925,5 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then - for ac_prog in clang gcc cc c99 c89 xlc_r xlc cl.exe icc + for ac_prog in gcc cc clang c99 c89 xlc_r xlc cl.exe icc do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. @@ -2969,5 +2969,5 @@ if test -z "$CC"; then ac_ct_CC=$CC - for ac_prog in clang gcc cc c99 c89 xlc_r xlc cl.exe icc + for ac_prog in gcc cc clang c99 c89 xlc_r xlc cl.exe icc do # Extract the first word of "$ac_prog", so it can be a program name with args. @@ -3528,5 +3528,5 @@ else if test -n "$ac_tool_prefix"; then - for ac_prog in clang++ g++ c++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC + for ac_prog in g++ c++ clang++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. @@ -3572,5 +3572,5 @@ if test -z "$CXX"; then ac_ct_CXX=$CXX - for ac_prog in clang++ g++ c++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC + for ac_prog in g++ c++ clang++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC do # Extract the first word of "$ac_prog", so it can be a program name with args.