1 dnl Process this file with autoconf 2.61 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
51 AC_USE_SYSTEM_EXTENSIONS
55 if test -f nasm.c; then
56 # we're building in the source dir, so we don't need this check at all
57 ac_cv_prog_make_vpathok=yes
63 dnl Checks for typedefs, structures, and compiler characteristics.
69 AC_C_BIGENDIAN(AC_DEFINE(WORDS_BIGENDIAN),AC_DEFINE(WORDS_LITTLEENDIAN))
70 AH_TEMPLATE(WORDS_BIGENDIAN,
71 [Define to 1 if your processor stores words with the most significant
72 byte first (like Motorola and SPARC, unlike Intel and VAX).])
73 AH_TEMPLATE(WORDS_LITTLEENDIAN,
74 [Define to 1 if your processor stores words with the least significant
75 byte first (like Intel and VAX, unlike Motorola and SPARC).])
77 dnl If we have gcc, add appropriate options
79 PA_ADD_CFLAGS([-Wall])
80 PA_ADD_CFLAGS([-std=c99])
82 dnl Look for programs...
83 AC_CHECK_PROGS(NROFF, nroff, false)
84 AC_CHECK_PROGS(ASCIIDOC, asciidoc, false)
85 AC_CHECK_PROGS(XMLTO, xmlto, false)
86 AC_CHECK_PROGS(ACRODIST, acrodist, false)
87 AC_CHECK_PROGS(PS2PDF, ps2pdf, false)
88 AC_CHECK_PROGS(PSTOPDF, pstopdf, false)
90 dnl Check for progs needed for manpage generation
91 if test $ASCIIDOC = false; then
92 AC_MSG_WARN([No acsciidoc package found])
94 if test $XMLTO = false; then
95 AC_MSG_WARN([No xmlto package found])
98 dnl Checks for header files.
100 if test $ac_cv_header_stdc = no; then
101 AC_MSG_ERROR([NASM requires ANSI C header files to compile])
104 AC_CHECK_HEADERS(limits.h)
105 if test $ac_cv_header_limits_h = no; then
106 AC_MSG_ERROR([NASM requires '<limits.h>' to compile])
109 dnl Check for <inttypes.h> or add a substitute version
110 AC_CHECK_HEADERS(inttypes.h, , CFLAGS="$CFLAGS -I\$(top_srcdir)/inttypes")
112 dnl The standard header for str*casecmp is <strings.h>
113 AC_CHECK_HEADERS(strings.h)
115 dnl Look for <stdbool.h>
116 AC_CHECK_HEADERS(stdbool.h)
118 dnl Look for <unistd.h>
119 AC_CHECK_HEADERS(unistd.h)
121 dnl Look for <sys/param.h>
122 AC_CHECK_HEADERS(sys/param.h)
124 dnl Checks for library functions.
127 AC_CHECK_FUNCS(strcspn, ,
128 AC_MSG_ERROR([NASM requires ANSI C (specifically, "strcspn")]))
130 AC_CHECK_FUNCS(strspn, ,
131 AC_MSG_ERROR([NASM requires ANSI C (specifically, "strspn")]))
134 AC_CHECK_FUNCS([vsnprintf _vsnprintf], missing=false)
136 XOBJS="$XOBJS lib/vsnprintf.o"
140 AC_CHECK_FUNCS([snprintf _snprintf], missing=false)
142 XOBJS="$XOBJS lib/snprintf.o"
145 AC_CHECK_FUNCS(strcasecmp stricmp)
146 AC_CHECK_FUNCS(strncasecmp strnicmp)
147 AC_CHECK_FUNCS(strsep)
148 AC_CHECK_FUNCS(strlcpy)
150 AC_CHECK_FUNCS(getuid)
151 AC_CHECK_FUNCS(getgid)
153 AC_CHECK_FUNCS(realpath)
154 AC_CHECK_FUNCS(canonicalize_file_name)
155 AC_CHECK_FUNCS(_fullpath)
156 AC_CHECK_FUNCS(pathconf)
158 dnl Check for functions that might not be declared in the headers for
159 dnl various idiotic reasons (mostly because of library authors
160 dnl abusing the meaning of __STRICT_ANSI__)
161 AC_CHECK_DECLS(strcasecmp)
162 AC_CHECK_DECLS(stricmp)
163 AC_CHECK_DECLS(strncasecmp)
164 AC_CHECK_DECLS(strnicmp)
165 AC_CHECK_DECLS(strsep)
166 AC_CHECK_DECLS(strlcpy)
168 if test $ac_cv_prog_make_vpathok = no; then
169 echo Copying generated srcs into build directory to compensate for VPATH breakage
170 for file in macros.c insnsa.c insnsd.c insnsn.c insnsi.h version.h version.mac; do
171 if test ! -f $file; then cp -p ${srcdir}/${file} .; fi
178 AC_ARG_WITH([ccache],
179 [AC_HELP_STRING([--with-ccache],
180 [Compile with ccache])],
184 PA_ADD_CFLAGS([-pedantic])
185 PA_ADD_CFLAGS([-Werror=implicit])
186 PA_ADD_CFLAGS([-Werror=missing-braces])
187 PA_ADD_CFLAGS([-Werror=return-type])
188 PA_ADD_CFLAGS([-Werror=trigraphs])
189 PA_ADD_CFLAGS([-Werror=pointer-arith])
190 PA_ADD_CFLAGS([-Werror=strict-prototypes])
191 PA_ADD_CFLAGS([-Werror=missing-prototypes])
192 PA_ADD_CFLAGS([-Werror=missing-declarations])
193 PA_ADD_CFLAGS([-Werror=comment])
194 PA_ADD_CFLAGS([-Werror=vla])
196 AC_OUTPUT_COMMANDS([mkdir -p output])
197 AC_OUTPUT(Makefile rdoff/Makefile doc/Makefile)