Building a gnulib testdir on CentOS 8-stream with Oracle DeveloperStudio 12.6, configure bails out, due to option '-rdynamic', that 'cc' transforms into a linker option '-dynamic', but the linker (/usr/bin/ld) does not support that option.
2025-09-18 Bruno Haible <[email protected]> stack-trace: Add support for Oracle DeveloperStudio cc. * m4/stack-trace.m4 (gl_STACK_TRACE_EARLY): Use option '-Wl,-export-dynamic' instead of '-rdynamic'. diff --git a/m4/stack-trace.m4 b/m4/stack-trace.m4 index abf6fc21b4..b8c8297abd 100644 --- a/m4/stack-trace.m4 +++ b/m4/stack-trace.m4 @@ -1,5 +1,5 @@ # stack-trace.m4 -# serial 4 +# serial 5 dnl Copyright (C) 2024-2025 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -71,10 +71,13 @@ AC_DEFUN([gl_STACK_TRACE_EARLY] if test $CAN_PRINT_STACK_TRACE = 1; then dnl Link all programs in such a way that the stack trace includes dnl the function names. - dnl '-rdynamic' is equivalent to '-Wl,-export-dynamic'. + dnl gcc supports '-rdynamic' as an option equivalent to + dnl '-Wl,-export-dynamic'. But cc from Oracle DeveloperStudio 12.6 + dnl converts '-rdynamic' into a linker option '-dynamic', which the + dnl linker does not understand. So better avoid '-rdynamic'. case "$host_os" in *-gnu* | gnu* | openbsd*) - LDFLAGS="$LDFLAGS -rdynamic" + LDFLAGS="$LDFLAGS -Wl,-export-dynamic" ;; esac fi
