mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-11-21 03:14:19 +08:00
120 lines
3.1 KiB
Plaintext
120 lines
3.1 KiB
Plaintext
dnl Process this file with autoconf 2.53 or later to produce
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dnl a configure script.
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AC_PREREQ(2.53)
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AC_REVISION([$Id$])
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AC_INIT(config.h.in)
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AC_CONFIG_HEADERS(config.h)
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dnl Check for broken VPATH handling on older NetBSD makes.
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AC_DEFUN(AC_PROG_MAKE_VPATHOK,
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[AC_MSG_CHECKING(whether ${MAKE-make} has sane VPATH handling)
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set dummy ${MAKE-make}; ac_make=`echo "[$]2" | sed 'y%./+-%__p_%'`
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AC_CACHE_VAL(ac_cv_prog_make_vpathok,
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[mkdir conftestdir
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cat > conftestdir/conftestmake <<\EOF
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VPATH = ..
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conftestfoo: conftestbar
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@echo ac_make2temp=ok
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conftestbar: conftestbaz
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@echo ac_maketemp=broken
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@touch conftestbar
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EOF
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echo > conftestbaz # these two lines need to be...
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echo > conftestbar # ... in this order not the other
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changequote(, )dnl
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unset ac_maketemp
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unset ac_make2temp
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# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
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eval `cd conftestdir; ${MAKE-make} -f conftestmake 2>/dev/null | grep temp=`
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changequote([, ])dnl
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if test -n "$ac_maketemp"; then
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ac_cv_prog_make_vpathok=no
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else
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if test -n "$ac_make2temp"; then
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ac_cv_prog_make_vpathok=yes
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else
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ac_cv_prog_make_vpathok=no
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fi
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fi
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rm -rf conftestdir
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rm -f conftestbar conftestbaz])dnl
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if test $ac_cv_prog_make_vpathok = yes; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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])
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AC_PREFIX_PROGRAM(nasm)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_LN_S
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AC_PROG_MAKE_SET
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if test -f nasm.c; then
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# we're building in the source dir, so we don't need this check at all
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ac_cv_prog_make_vpathok=yes
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else
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AC_PROG_MAKE_VPATHOK
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fi
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AC_PROG_INSTALL
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if test "$GCC" = "yes"; then
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GCCFLAGS="-Wall -ansi -pedantic"
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else
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GCCFLAGS=
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fi
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AC_SUBST(GCCFLAGS)
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dnl Look for "nroff" or "groff"
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AC_CHECK_PROGS(NROFF, nroff, echo)
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AC_SUBST(NROFF)
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dnl Checks for header files.
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AC_HEADER_STDC
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if test $ac_cv_header_stdc = no; then
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AC_MSG_ERROR([NASM requires ANSI C header files to compile])
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fi
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AC_CHECK_HEADERS(limits.h)
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if test $ac_cv_header_limits_h = no; then
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AC_MSG_ERROR([NASM requires '<limits.h>' to compile])
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fi
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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if test $ac_cv_c_const = no; then
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AC_MSG_ERROR([NASM requires ANSI C (specifically, working "const")])
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fi
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AC_TYPE_SIZE_T
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if test $ac_cv_type_size_t = no; then
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "size_t")])
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fi
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dnl Checks for library functions.
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AC_FUNC_VPRINTF
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if test $ac_cv_func_vprintf = no; then
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "vprintf" and friends)])
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fi
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AC_CHECK_FUNCS(strcspn)
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if test $ac_cv_func_strcspn = no; then
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "strcspn")])
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fi
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AC_CHECK_FUNCS(strspn)
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if test $ac_cv_func_strspn = no; then
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "strspn")])
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fi
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if test $ac_cv_prog_make_vpathok = no; then
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echo Copying generated srcs into build directory to compensate for VPATH breakage
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for file in macros.c insnsa.c insnsd.c insnsn.c insnsi.h version.h version.mac; do
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if test ! -f $file; then cp -p ${srcdir}/${file} .; fi
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done
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fi
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AC_OUTPUT_COMMANDS([mkdir -p output])
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AC_OUTPUT(Makefile rdoff/Makefile doc/Makefile)
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