SolidWallOfCode commented on a change in pull request #7786: URL: https://github.com/apache/trafficserver/pull/7786#discussion_r676900001
########## File path: build/ax_cc_for_build.m4 ########## @@ -0,0 +1,76 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_cc_for_build.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CC_FOR_BUILD +# +# DESCRIPTION +# +# Find a build-time compiler. Sets CC_FOR_BUILD and EXEEXT_FOR_BUILD. +# +# LICENSE +# +# Copyright (c) 2010 Reuben Thomas <[email protected]> +# Copyright (c) 1999 Richard Henderson <[email protected]> +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <https://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 3 + +dnl Get a default for CC_FOR_BUILD to put into Makefile. +AC_DEFUN([AX_CC_FOR_BUILD], +[# Put a plausible default for CC_FOR_BUILD in Makefile. +if test -z "$CC_FOR_BUILD"; then + CC_FOR_BUILD='$(CC)' + CXX_FOR_BUILD='$(CXX)' +fi +AC_SUBST(CC_FOR_BUILD) +AC_SUBST(CXX_FOR_BUILD) + +# Also set EXEEXT_FOR_BUILD. +if test "x$cross_compiling" = "xno"; then + EXEEXT_FOR_BUILD='$(EXEEXT)' +else + AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext, + [rm -f conftest* + echo 'int main () { return 0; }' > conftest.c + bfd_cv_build_exeext= + ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5 + for file in conftest.*; do + case $file in + *.c | *.o | *.obj | *.ilk | *.pdb) ;; + *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;; + esac + done + rm -f conftest* + test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no]) + EXEEXT_FOR_BUILD="" + test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext} +fi +AC_SUBST(EXEEXT_FOR_BUILD)])dnl Review comment: Any reason for the trailing "dnl"? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
