| H. Peter Anvin | 87bc619 | 2002-04-30 20:53:16 +0000 | [diff] [blame^] | 1 | dnl Process this file with autoconf to produce a configure script. |
| 2 | AC_INIT(nasm.c) |
| 3 | |
| 4 | dnl Check for broken VPATH handling on older NetBSD makes. |
| 5 | AC_DEFUN(AC_PROG_MAKE_VPATHOK, |
| 6 | [AC_MSG_CHECKING(whether ${MAKE-make} has sane VPATH handling) |
| 7 | set dummy ${MAKE-make}; ac_make=`echo "[$]2" | sed 'y%./+-%__p_%'` |
| 8 | AC_CACHE_VAL(ac_cv_prog_make_vpathok, |
| 9 | [mkdir conftestdir |
| 10 | cat > conftestdir/conftestmake <<\EOF |
| 11 | VPATH = .. |
| 12 | conftestfoo: conftestbar |
| 13 | @echo ac_make2temp=ok |
| 14 | conftestbar: conftestbaz |
| 15 | @echo ac_maketemp=broken |
| 16 | @touch conftestbar |
| 17 | EOF |
| 18 | echo > conftestbaz # these two lines need to be... |
| 19 | echo > conftestbar # ... in this order not the other |
| 20 | changequote(, )dnl |
| 21 | unset ac_maketemp |
| 22 | unset ac_make2temp |
| 23 | # GNU make sometimes prints "make[1]: Entering...", which would confuse us. |
| 24 | eval `cd conftestdir; ${MAKE-make} -f conftestmake 2>/dev/null | grep temp=` |
| 25 | changequote([, ])dnl |
| 26 | if test -n "$ac_maketemp"; then |
| 27 | ac_cv_prog_make_vpathok=no |
| 28 | else |
| 29 | if test -n "$ac_make2temp"; then |
| 30 | ac_cv_prog_make_vpathok=yes |
| 31 | else |
| 32 | ac_cv_prog_make_vpathok=no |
| 33 | fi |
| 34 | fi |
| 35 | rm -rf conftestdir |
| 36 | rm -f conftestbar conftestbaz])dnl |
| 37 | if test $ac_cv_prog_make_vpathok = yes; then |
| 38 | AC_MSG_RESULT(yes) |
| 39 | else |
| 40 | AC_MSG_RESULT(no) |
| 41 | fi |
| 42 | ]) |
| 43 | |
| 44 | AC_PREFIX_PROGRAM(nasm) |
| 45 | |
| 46 | dnl Checks for programs. |
| 47 | AC_PROG_CC |
| 48 | AC_PROG_LN_S |
| 49 | AC_PROG_MAKE_SET |
| 50 | if test -f nasm.c; then |
| 51 | # we're building in the source dir, so we don't need this check at all |
| 52 | ac_cv_prog_make_vpathok=yes |
| 53 | else |
| 54 | AC_PROG_MAKE_VPATHOK |
| 55 | fi |
| 56 | AC_PROG_INSTALL |
| 57 | |
| 58 | if test "$GCC" = "yes"; then |
| 59 | GCCFLAGS="-Wall -ansi -pedantic" |
| 60 | else |
| 61 | GCCFLAGS= |
| 62 | fi |
| 63 | AC_SUBST(GCCFLAGS) |
| 64 | |
| 65 | dnl Checks for header files. |
| 66 | AC_HEADER_STDC |
| 67 | if test $ac_cv_header_stdc = no; then |
| 68 | AC_MSG_ERROR([NASM requires ANSI C header files to compile]) |
| 69 | fi |
| 70 | |
| 71 | AC_CHECK_HEADERS(limits.h) |
| 72 | if test $ac_cv_header_limits_h = no; then |
| 73 | AC_MSG_ERROR([NASM requires '<limits.h>' to compile]) |
| 74 | fi |
| 75 | |
| 76 | dnl Checks for typedefs, structures, and compiler characteristics. |
| 77 | AC_C_CONST |
| 78 | if test $ac_cv_c_const = no; then |
| 79 | AC_MSG_ERROR([NASM requires ANSI C (specifically, working "const")]) |
| 80 | fi |
| 81 | |
| 82 | AC_TYPE_SIZE_T |
| 83 | if test $ac_cv_type_size_t = no; then |
| 84 | AC_MSG_ERROR([NASM requires ANSI C (specifically, "size_t")]) |
| 85 | fi |
| 86 | |
| 87 | dnl Checks for library functions. |
| 88 | AC_FUNC_VPRINTF |
| 89 | if test $ac_cv_func_vprintf = no; then |
| 90 | AC_MSG_ERROR([NASM requires ANSI C (specifically, "vprintf" and friends)]) |
| 91 | fi |
| 92 | |
| 93 | AC_CHECK_FUNCS(strcspn) |
| 94 | if test $ac_cv_func_strcspn = no; then |
| 95 | AC_MSG_ERROR([NASM requires ANSI C (specifically, "strcspn")]) |
| 96 | fi |
| 97 | |
| 98 | AC_CHECK_FUNCS(strspn) |
| 99 | if test $ac_cv_func_strspn = no; then |
| 100 | AC_MSG_ERROR([NASM requires ANSI C (specifically, "strspn")]) |
| 101 | fi |
| 102 | |
| 103 | if test $ac_cv_prog_make_vpathok = no; then |
| 104 | echo Copying generated srcs into build directory to compensate for VPATH breakage |
| 105 | if test ! -f insnsa.c; then cp -p ${srcdir}/insnsa.c .; fi |
| 106 | if test ! -f insnsd.c; then cp -p ${srcdir}/insnsd.c .; fi |
| 107 | if test ! -f macros.c; then cp -p ${srcdir}/macros.c .; fi |
| 108 | fi |
| 109 | |
| 110 | AC_OUTPUT(Makefile rdoff/Makefile) |