1 | dnl aclocal.m4 generated automatically by aclocal 1.2 |
---|
2 | |
---|
3 | dnl AB_CHECK_FLAG(FLAG, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) |
---|
4 | AC_DEFUN(AB_CHECK_FLAG, |
---|
5 | [ |
---|
6 | AC_MSG_CHECKING([whether ifelse(AC_LANG, CPLUSPLUS, ${CXX}, ${CC}) supports the $1 flag]) |
---|
7 | ab_flag_var=`echo $1 | sed 'y%./+-%__p_%'` |
---|
8 | AC_CACHE_VAL(ab_cv_flag_$ab_flag_var, |
---|
9 | [ |
---|
10 | ifelse(AC_LANG, CPLUSPLUS, [ |
---|
11 | ab_save_flags="$CXXFLAGS" |
---|
12 | CXXFLAGS="$CXXFLAGS $1" |
---|
13 | ], [ |
---|
14 | ab_save_flags="$CFLAGS" |
---|
15 | CFLAGS="$CFLAGS $1" |
---|
16 | ])dnl |
---|
17 | AC_TRY_COMPILE(,[int a;], |
---|
18 | eval "ab_cv_flag_$ab_flag_var=yes", eval "ab_cv_flag_$ab_flag_var=no") |
---|
19 | ifelse(AC_LANG, CPLUSPLUS, CXXFLAGS="$ab_save_flags", CFLAGS="$ab_save_flags") |
---|
20 | ]) |
---|
21 | if eval "test \"`echo '$ab_cv_flag_'$ab_flag_var`\" = yes"; then |
---|
22 | AC_MSG_RESULT(yes) |
---|
23 | ifelse([$2], , :, [$2]) |
---|
24 | else |
---|
25 | AC_MSG_RESULT(no) |
---|
26 | ifelse([$3], , , [$3 |
---|
27 | ])dnl |
---|
28 | fi |
---|
29 | ]) |
---|
30 | |
---|
31 | dnl AB_ADD_FLAGS(FLAG...) |
---|
32 | AC_DEFUN(AB_ADD_FLAGS, |
---|
33 | [ab_flags= |
---|
34 | for ab_flag in $1; do |
---|
35 | AB_CHECK_FLAG([$ab_flag], [ab_flags="$ab_flags $ab_flag"]) |
---|
36 | ifelse(AC_LANG, CPLUSPLUS, [ |
---|
37 | ADDCXXFLAGS="$ab_flags" |
---|
38 | AC_SUBST(ADDCXXFLAGS) |
---|
39 | ], [ |
---|
40 | ADDCFLAGS="$ab_flags" |
---|
41 | AC_SUBST(ADDCFLAGS) |
---|
42 | ])dnl |
---|
43 | done |
---|
44 | ]) |
---|
45 | |
---|
46 | AC_DEFUN(AB_C_BIGENDIAN, |
---|
47 | [AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian, |
---|
48 | [ac_cv_c_bigendian=unknown |
---|
49 | # See if we have a good endian.h. |
---|
50 | AC_TRY_CPP([#include <endian.h>], [AC_TRY_COMPILE([#include <endian.h>], [ |
---|
51 | #if !__BYTE_ORDER || !__BIG_ENDIAN |
---|
52 | bogus endian macros |
---|
53 | #endif], [AC_TRY_COMPILE([#include <endian.h>], [ |
---|
54 | #if __BYTE_ORDER != __BIG_ENDIAN |
---|
55 | not big endian |
---|
56 | #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])]) |
---|
57 | if test $ac_cv_c_bigendian = unknown; then |
---|
58 | # See if sys/param.h defines the BYTE_ORDER macro. |
---|
59 | AC_TRY_COMPILE([#include <sys/types.h> |
---|
60 | #include <sys/param.h>], [ |
---|
61 | #if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN |
---|
62 | bogus endian macros |
---|
63 | #endif], [# It does; now see whether it defined to BIG_ENDIAN or not. |
---|
64 | AC_TRY_COMPILE([#include <sys/types.h> |
---|
65 | #include <sys/param.h>], [ |
---|
66 | #if BYTE_ORDER != BIG_ENDIAN |
---|
67 | not big endian |
---|
68 | #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)]) |
---|
69 | fi |
---|
70 | if test $ac_cv_c_bigendian = unknown; then |
---|
71 | AC_TRY_RUN([main () { |
---|
72 | /* Are we little or big endian? From Harbison&Steele. */ |
---|
73 | union |
---|
74 | { |
---|
75 | long l; |
---|
76 | char c[sizeof (long)]; |
---|
77 | } u; |
---|
78 | u.l = 1; |
---|
79 | exit (u.c[sizeof (long) - 1] == 1); |
---|
80 | }], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes) |
---|
81 | fi]) |
---|
82 | if test $ac_cv_c_bigendian = yes; then |
---|
83 | AC_DEFINE(WORDS_BIGENDIAN) |
---|
84 | fi |
---|
85 | ]) |
---|
86 | |
---|
87 | # Do all the work for Automake. This macro actually does too much -- |
---|
88 | # some checks are only needed if your package does certain things. |
---|
89 | # But this isn't really a big deal. |
---|
90 | |
---|
91 | # serial 1 |
---|
92 | |
---|
93 | dnl Usage: |
---|
94 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) |
---|
95 | |
---|
96 | AC_DEFUN(AM_INIT_AUTOMAKE, |
---|
97 | [AC_REQUIRE([AM_PROG_INSTALL]) |
---|
98 | PACKAGE=[$1] |
---|
99 | AC_SUBST(PACKAGE) |
---|
100 | VERSION=[$2] |
---|
101 | AC_SUBST(VERSION) |
---|
102 | dnl test to see if srcdir already configured |
---|
103 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then |
---|
104 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) |
---|
105 | fi |
---|
106 | ifelse([$3],, |
---|
107 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE") |
---|
108 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION")) |
---|
109 | AM_SANITY_CHECK |
---|
110 | AC_ARG_PROGRAM |
---|
111 | dnl FIXME This is truly gross. |
---|
112 | missing_dir=`cd $ac_aux_dir && pwd` |
---|
113 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) |
---|
114 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) |
---|
115 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) |
---|
116 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) |
---|
117 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) |
---|
118 | AC_PROG_MAKE_SET]) |
---|
119 | |
---|
120 | |
---|
121 | # serial 1 |
---|
122 | |
---|
123 | AC_DEFUN(AM_PROG_INSTALL, |
---|
124 | [AC_REQUIRE([AC_PROG_INSTALL]) |
---|
125 | test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}' |
---|
126 | AC_SUBST(INSTALL_SCRIPT)dnl |
---|
127 | ]) |
---|
128 | |
---|
129 | # |
---|
130 | # Check to make sure that the build environment is sane. |
---|
131 | # |
---|
132 | |
---|
133 | AC_DEFUN(AM_SANITY_CHECK, |
---|
134 | [AC_MSG_CHECKING([whether build environment is sane]) |
---|
135 | # Just in case |
---|
136 | sleep 1 |
---|
137 | echo timestamp > conftestfile |
---|
138 | # Do `set' in a subshell so we don't clobber the current shell's |
---|
139 | # arguments. Must try -L first in case configure is actually a |
---|
140 | # symlink; some systems play weird games with the mod time of symlinks |
---|
141 | # (eg FreeBSD returns the mod time of the symlink's containing |
---|
142 | # directory). |
---|
143 | if ( |
---|
144 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` |
---|
145 | if test "$@" = "X"; then |
---|
146 | # -L didn't work. |
---|
147 | set X `ls -t $srcdir/configure conftestfile` |
---|
148 | fi |
---|
149 | test "[$]2" = conftestfile |
---|
150 | ) |
---|
151 | then |
---|
152 | # Ok. |
---|
153 | : |
---|
154 | else |
---|
155 | AC_MSG_WARN([newly created file is older than distributed files! |
---|
156 | Check your system clock]) |
---|
157 | fi |
---|
158 | rm -f conftest* |
---|
159 | AC_MSG_RESULT(yes)]) |
---|
160 | |
---|
161 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) |
---|
162 | dnl The program must properly implement --version. |
---|
163 | AC_DEFUN(AM_MISSING_PROG, |
---|
164 | [AC_MSG_CHECKING(for working $2) |
---|
165 | # Run test in a subshell; some versions of sh will print an error if |
---|
166 | # an executable is not found, even if stderr is redirected. |
---|
167 | # Redirect stdin to placate older versions of autoconf. Sigh. |
---|
168 | if ($2 --version) < /dev/null > /dev/null 2>&1; then |
---|
169 | $1=$2 |
---|
170 | AC_MSG_RESULT(found) |
---|
171 | else |
---|
172 | $1="$3/missing $2" |
---|
173 | AC_MSG_RESULT(missing) |
---|
174 | fi |
---|
175 | AC_SUBST($1)]) |
---|
176 | |
---|