1 dnl Process this file with autoconf 2.59 or later to produce
2 dnl a configure script.
5 AC_CONFIG_HEADERS(config.h)
7 dnl Check for broken VPATH handling on older NetBSD makes.
8 AC_DEFUN(AC_PROG_MAKE_VPATHOK,
9 [AC_MSG_CHECKING(whether ${MAKE-make} has sane VPATH handling)
10 set dummy ${MAKE-make}; ac_make=`echo "[$]2" | sed 'y%./+-%__p_%'`
11 AC_CACHE_VAL(ac_cv_prog_make_vpathok,
13 cat > conftestdir/conftestmake <<\EOF
15 conftestfoo: conftestbar
17 conftestbar: conftestbaz
18 @echo ac_maketemp=broken
21 echo > conftestbaz # these two lines need to be...
22 echo > conftestbar # ... in this order not the other
26 # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
27 eval `cd conftestdir; ${MAKE-make} -f conftestmake 2>/dev/null | grep temp=`
29 if test -n "$ac_maketemp"; then
30 ac_cv_prog_make_vpathok=no
32 if test -n "$ac_make2temp"; then
33 ac_cv_prog_make_vpathok=yes
35 ac_cv_prog_make_vpathok=no
39 rm -f conftestbar conftestbaz])dnl
40 if test $ac_cv_prog_make_vpathok = yes; then
47 AC_PREFIX_PROGRAM(nasm)
49 dnl Checks for programs.
50 dnl Consider AC_USE_SYSTEM_EXTENSIONS if autoconf 2.61 is OK in the future
57 if test -f nasm.c; then
58 # we're building in the source dir, so we don't need this check at all
59 ac_cv_prog_make_vpathok=yes
65 dnl If we have gcc, add appropriate options
67 PA_ADD_CFLAGS([-Wall])
68 PA_ADD_CFLAGS([-std=c99])
69 PA_ADD_CFLAGS([-pedantic])
71 dnl Look for "nroff" or "groff"
72 AC_CHECK_PROGS(NROFF, nroff, echo)
75 dnl Checks for header files.
77 if test $ac_cv_header_stdc = no; then
78 AC_MSG_ERROR([NASM requires ANSI C header files to compile])
81 AC_CHECK_HEADERS(limits.h)
82 if test $ac_cv_header_limits_h = no; then
83 AC_MSG_ERROR([NASM requires '<limits.h>' to compile])
86 dnl Check for <inttypes.h> or add a substitute version
87 AC_CHECK_HEADERS(inttypes.h, , CFLAGS="$CFLAGS -I\$(top_srcdir)/inttypes")
89 dnl The standard header for str*casecmp is <strings.h>
90 AC_CHECK_HEADERS(strings.h)
92 dnl Look for <stdbool.h>
93 AC_CHECK_HEADERS(stdbool.h)
95 dnl Checks for typedefs, structures, and compiler characteristics.
99 dnl Checks for library functions.
102 AC_CHECK_FUNCS(strcspn, ,
103 AC_MSG_ERROR([NASM requires ANSI C (specifically, "strcspn")]))
105 AC_CHECK_FUNCS(strspn, ,
106 AC_MSG_ERROR([NASM requires ANSI C (specifically, "strspn")]))
109 AC_CHECK_FUNCS([vsnprintf _vsnprintf], missing=false)
111 XOBJS="$XOBJS lib/vsnprintf.o"
115 AC_CHECK_FUNCS([snprintf _snprintf], missing=false)
117 XOBJS="$XOBJS lib/snprintf.o"
120 AC_CHECK_FUNCS(strcasecmp stricmp)
121 AC_CHECK_FUNCS(strncasecmp strnicmp)
122 AC_CHECK_FUNCS(strsep)
124 AC_CHECK_FUNCS(getuid)
125 AC_CHECK_FUNCS(getgid)
127 dnl Check for functions that might not be declared in the headers for
128 dnl various idiotic reasons (mostly because of library authors
129 dnl abusing the meaning of __STRICT_ANSI__)
130 AC_CHECK_DECLS(strcasecmp)
131 AC_CHECK_DECLS(stricmp)
132 AC_CHECK_DECLS(strncasecmp)
133 AC_CHECK_DECLS(strnicmp)
134 AC_CHECK_DECLS(strsep)
136 if test $ac_cv_prog_make_vpathok = no; then
137 echo Copying generated srcs into build directory to compensate for VPATH breakage
138 for file in macros.c insnsa.c insnsd.c insnsn.c insnsi.h version.h version.mac; do
139 if test ! -f $file; then cp -p ${srcdir}/${file} .; fi
143 AC_OUTPUT_COMMANDS([mkdir -p output])
144 AC_OUTPUT(Makefile rdoff/Makefile doc/Makefile)