1dnl Process this file with autoconf to produce a configure script. 2AC_PREREQ(2.5)dnl 3AC_INIT(crt0.s) 4 5AC_CANONICAL_SYSTEM 6AC_ARG_PROGRAM 7 8if test "$srcdir" = "." ; then 9 mdir=`echo "${with_multisubdir}/" \ 10 | sed -e 's,\([[^/]][[^/]]*\),..,g' -e 's,^/$,,'` 11 AC_CONFIG_AUX_DIR(${mdir}../../..) 12else 13 AC_CONFIG_AUX_DIR(${srcdir}/../..) 14fi 15 16AC_PROG_INSTALL 17 18# FIXME: We temporarily define our own version of AC_PROG_CC. This is 19# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We 20# are probably using a cross compiler, which will not be able to fully 21# link an executable. This should really be fixed in autoconf 22# itself. 23 24AC_DEFUN(LIB_AC_PROG_CC, 25[AC_BEFORE([$0], [AC_PROG_CPP])dnl 26AC_CHECK_PROG(CC, gcc, gcc) 27if test -z "$CC"; then 28 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) 29 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) 30fi 31 32AC_PROG_CC_GNU 33 34if test $ac_cv_prog_gcc = yes; then 35 GCC=yes 36dnl Check whether -g works, even if CFLAGS is set, in case the package 37dnl plays around with CFLAGS (such as to build both debugging and 38dnl normal versions of a library), tasteless as that idea is. 39 ac_test_CFLAGS="${CFLAGS+set}" 40 ac_save_CFLAGS="$CFLAGS" 41 CFLAGS= 42 AC_PROG_CC_G 43 if test "$ac_test_CFLAGS" = set; then 44 CFLAGS="$ac_save_CFLAGS" 45 elif test $ac_cv_prog_cc_g = yes; then 46 CFLAGS="-g -O2" 47 else 48 CFLAGS="-O2" 49 fi 50else 51 GCC= 52 test "${CFLAGS+set}" = set || CFLAGS="-g" 53fi 54]) 55 56LIB_AC_PROG_CC 57AS=${AS-as} 58AC_SUBST(AS) 59AR=${AR-ar} 60AC_SUBST(AR) 61LD=${LD-ld} 62AC_SUBST(LD) 63AC_PROG_RANLIB 64 65host_makefile_frag=${srcdir}/../config/default.mh 66 67dnl We have to assign the same value to other variables because autoconf 68dnl doesn't provide a mechanism to substitute a replacement keyword with 69dnl arbitrary data or pathnames. 70dnl 71host_makefile_frag_path=$host_makefile_frag 72AC_SUBST(host_makefile_frag_path) 73AC_SUBST_FILE(host_makefile_frag) 74 75AC_OUTPUT(Makefile) 76