On Thu, Jun 7, 2018 at 7:27 PM, Eric Blake <eblake@xxxxxxxxxx> wrote: > On 06/07/2018 12:45 AM, mallapadi niranjan wrote: > >> Greetings, >> >> i am newbie trying to learn autoconf, I would like to autoconf to have >> build scripts created to compile assembly language programs written using >> GNU Assembler: >> > > This is probably more a question for the automake list, since... > > >> Below are my configurations >> >> configure:ac >> >> AC_INIT([hello], [0.01]]) >> AC_CONFIG_SRCDIR([hello.s]) >> AC_CONFIG_HEADERS([config.h]) >> AC_CONFIG_AUX_DIR([build-aux]) >> >> AM_INIT_AUTOMAKE([-Wall -Werror]) >> AC_CONFIG_FILES([Makefile]) >> AM_PROG_AS >> > > ...AM_PROG_AS is an automake macro, and... > > AC_OUTPUT >> >> Makefile.am >> >> bin_PROGRAMS = hello >> hello_SOURCES = hello.s >> AM_CCAS = /usr/bin/as >> AM_CCASFLAGS = --gstabs+ >> > > ...AM_CCAS is a variable for use by automake, not autoconf. > > [ashok@mydevel foobar]$ make >> make all-am >> make[1]: Entering directory `/home/ashok/practice/ia32/mya >> sm/autotools/foobar' >> gcc -g -O2 -o hello hello.o >> > > According to the automake manual, AM_CCAS sets $CCAS to a default of $CC > unless you define it to something else. However, I have no idea why > $AM_CCASFLAGS doesn't seem to be honored in this line; you'll have to ask > the automake developers for help in debugging it. > > >> How do i override to use /usr/bin/as instead of gcc and pass -gstabs+ >> flag to /usr/bin/as. >> > > The easiest way there, per documentation (although I have not tested), is > to run './configure CCAS=/usr/bin/as' to force configure to use your choice > of assembler in place of the default (since the automake documentation said > the default would be $CC which is typically gcc on a GNU/Linux system). > > Thanks for the reply, that did help a bit but was not able to remove the -c option I passed./configure CCAS=/usr/bin/as CFLAGS='' [ashok@mydevel foobar]$ make make all-am make[1]: Entering directory `/home/ashok/practice/ia32/myasm/autotools/foobar' /usr/bin/as --gstabs+ -c -o hello.o hello.s /usr/bin/as: unrecognized option '-c' make[1]: *** [hello.o] Error 1 make[1]: Leaving directory `/home/ashok/practice/ia32/myasm/autotools/foobar' make: *** [all] Error 2 I could not remove the -c option, . -- > Eric Blake, Principal Software Engineer > Red Hat, Inc. +1-919-301-3266 > Virtualization: qemu.org | libvirt.org > _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf
