diff options
Diffstat (limited to 'gnulib-m4/gnulib-common.m4')
-rw-r--r-- | gnulib-m4/gnulib-common.m4 | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/gnulib-m4/gnulib-common.m4 b/gnulib-m4/gnulib-common.m4 index 40e82f6e..f8454c8a 100644 --- a/gnulib-m4/gnulib-common.m4 +++ b/gnulib-m4/gnulib-common.m4 @@ -1,5 +1,5 @@ # gnulib-common.m4 serial 36 -dnl Copyright (C) 2007-2015 Free Software Foundation, Inc. +dnl Copyright (C) 2007-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -253,9 +253,10 @@ AC_DEFUN([gl_PROG_AR_RANLIB], [ dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler dnl as "cc", and GCC as "gcc". They have different object file formats and - dnl library formats. In particular, the GNU binutils programs ar, ranlib + dnl library formats. In particular, the GNU binutils programs ar and ranlib dnl produce libraries that work only with gcc, not with cc. AC_REQUIRE([AC_PROG_CC]) + AC_BEFORE([$0], [AM_PROG_AR]) AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler], [ AC_EGREP_CPP([Amsterdam], @@ -267,25 +268,37 @@ Amsterdam [gl_cv_c_amsterdam_compiler=yes], [gl_cv_c_amsterdam_compiler=no]) ]) - if test -z "$AR"; then - if test $gl_cv_c_amsterdam_compiler = yes; then + + dnl Don't compete with AM_PROG_AR's decision about AR/ARFLAGS if we are not + dnl building with __ACK__. + if test $gl_cv_c_amsterdam_compiler = yes; then + if test -z "$AR"; then AR='cc -c.a' - if test -z "$ARFLAGS"; then - ARFLAGS='-o' - fi - else - dnl Use the Automake-documented default values for AR and ARFLAGS, - dnl but prefer ${host}-ar over ar (useful for cross-compiling). - AC_CHECK_TOOL([AR], [ar], [ar]) - if test -z "$ARFLAGS"; then - ARFLAGS='cr' - fi fi - else if test -z "$ARFLAGS"; then - ARFLAGS='cr' + ARFLAGS='-o' fi + else + dnl AM_PROG_AR was added in automake v1.11.2. AM_PROG_AR does not AC_SUBST + dnl ARFLAGS variable (it is filed into Makefile.in directly by automake + dnl script on-demand, if not specified by ./configure of course). + dnl Don't AC_REQUIRE the AM_PROG_AR otherwise the code for __ACK__ above + dnl will be ignored. Also, pay attention to call AM_PROG_AR in else block + dnl because AM_PROG_AR is written so it could re-set AR variable even for + dnl __ACK__. It may seem like its easier to avoid calling the macro here, + dnl but we need to AC_SUBST both AR/ARFLAGS (thus those must have some good + dnl default value and automake should usually know them). + m4_ifdef([AM_PROG_AR], [AM_PROG_AR], [:]) + fi + + dnl In case the code above has not helped with setting AR/ARFLAGS, use + dnl Automake-documented default values for AR and ARFLAGS, but prefer + dnl ${host}-ar over ar (useful for cross-compiling). + AC_CHECK_TOOL([AR], [ar], [ar]) + if test -z "$ARFLAGS"; then + ARFLAGS='cr' fi + AC_SUBST([AR]) AC_SUBST([ARFLAGS]) if test -z "$RANLIB"; then |