mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-11-21 03:14:19 +08:00
eaa68f1c85
Add strlcpy() function and implementation, and use configure to detect if strlcpy() is natively available on the system. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
157 lines
4.3 KiB
Plaintext
157 lines
4.3 KiB
Plaintext
dnl Process this file with autoconf 2.61 or later to produce
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dnl a configure script.
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AC_PREREQ(2.61)
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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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dnl Consider AC_USE_SYSTEM_EXTENSIONS if autoconf 2.61 is OK in the future
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AC_USE_SYSTEM_EXTENSIONS
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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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dnl If we have gcc, add appropriate options
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PA_ADD_CFLAGS([-W])
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PA_ADD_CFLAGS([-Wall])
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PA_ADD_CFLAGS([-std=c99])
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PA_ADD_CFLAGS([-pedantic])
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dnl Look for programs...
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AC_CHECK_PROGS(NROFF, nroff, echo)
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AC_CHECK_PROGS(ACRODIST, acrodist, false)
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AC_CHECK_PROGS(PS2PDF, ps2pdf, false)
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AC_CHECK_PROGS(PSTOPDF, pstopdf, false)
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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 $ac_cv_header_limits_h = no; then
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AC_MSG_ERROR([NASM requires '<limits.h>' to compile])
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fi
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dnl Check for <inttypes.h> or add a substitute version
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AC_CHECK_HEADERS(inttypes.h, , CFLAGS="$CFLAGS -I\$(top_srcdir)/inttypes")
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dnl The standard header for str*casecmp is <strings.h>
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AC_CHECK_HEADERS(strings.h)
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dnl Look for <stdbool.h>
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AC_CHECK_HEADERS(stdbool.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_INLINE
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AC_C_RESTRICT
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AC_TYPE_SIZE_T
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PA_WORKING_BOOL
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AC_C_BIGENDIAN(AC_DEFINE(WORDS_BIGENDIAN),AC_DEFINE(WORDS_LITTLEENDIAN))
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AH_TEMPLATE(WORDS_BIGENDIAN,
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[Define to 1 if your processor stores words with the most significant
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byte first (like Motorola and SPARC, unlike Intel and VAX).])
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AH_TEMPLATE(WORDS_LITTLEENDIAN,
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[Define to 1 if your processor stores words with the least significant
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byte first (like Intel and VAX, unlike Motorola and SPARC).])
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dnl Checks for library functions.
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AC_SUBST(XOBJS)
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AC_CHECK_FUNCS(strcspn, ,
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "strcspn")]))
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AC_CHECK_FUNCS(strspn, ,
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AC_MSG_ERROR([NASM requires ANSI C (specifically, "strspn")]))
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missing=true
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AC_CHECK_FUNCS([vsnprintf _vsnprintf], missing=false)
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if $missing; then
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XOBJS="$XOBJS lib/vsnprintf.o"
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fi
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missing=true
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AC_CHECK_FUNCS([snprintf _snprintf], missing=false)
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if $missing; then
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XOBJS="$XOBJS lib/snprintf.o"
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fi
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AC_CHECK_FUNCS(strcasecmp stricmp)
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AC_CHECK_FUNCS(strncasecmp strnicmp)
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AC_CHECK_FUNCS(strsep)
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AC_CHECK_FUNCS(strlcpy)
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AC_CHECK_FUNCS(getuid)
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AC_CHECK_FUNCS(getgid)
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dnl Check for functions that might not be declared in the headers for
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dnl various idiotic reasons (mostly because of library authors
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dnl abusing the meaning of __STRICT_ANSI__)
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AC_CHECK_DECLS(strcasecmp)
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AC_CHECK_DECLS(stricmp)
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AC_CHECK_DECLS(strncasecmp)
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AC_CHECK_DECLS(strnicmp)
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AC_CHECK_DECLS(strsep)
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AC_CHECK_DECLS(strlcpy)
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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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