libreplace_macros.m4 [plain text]
AC_DEFUN([LIBREPLACE_C99_STRUCT_INIT],
[
saved_CFLAGS="$CFLAGS";
c99_init=no
if test x"$c99_init" = x"no"; then
AC_MSG_CHECKING(for C99 designated initializers)
CFLAGS="$saved_CFLAGS";
AC_TRY_COMPILE([ [ struct foo {int x;char y;};
struct foo bar = { .y = 'X', .x = 1 };
],
[AC_MSG_RESULT(yes); c99_init=yes],[AC_MSG_RESULT(no)])
fi
if test x"$c99_init" = x"no"; then
AC_MSG_CHECKING(for C99 designated initializers with -AC99)
CFLAGS="$saved_CFLAGS -AC99";
AC_TRY_COMPILE([ [ struct foo {int x;char y;};
struct foo bar = { .y = 'X', .x = 1 };
],
[AC_MSG_RESULT(yes); c99_init=yes],[AC_MSG_RESULT(no)])
fi
if test x"$c99_init" = x"no"; then
AC_MSG_CHECKING(for C99 designated initializers with -qlanglvl=extc99)
CFLAGS="$saved_CFLAGS -qlanglvl=extc99";
AC_TRY_COMPILE([ [ struct foo {int x;char y;};
struct foo bar = { .y = 'X', .x = 1 };
],
[AC_MSG_RESULT(yes); c99_init=yes],[AC_MSG_RESULT(no)])
fi
if test x"$c99_init" = x"no"; then
AC_MSG_CHECKING(for C99 designated initializers with -qlanglvl=stdc99)
CFLAGS="$saved_CFLAGS -qlanglvl=stdc99";
AC_TRY_COMPILE([ [ struct foo {int x;char y;};
struct foo bar = { .y = 'X', .x = 1 };
],
[AC_MSG_RESULT(yes); c99_init=yes],[AC_MSG_RESULT(no)])
fi
if test x"$c99_init" = x"no"; then
AC_MSG_CHECKING(for C99 designated initializers with -c99)
CFLAGS="$saved_CFLAGS -c99"
AC_TRY_COMPILE([ [ struct foo {int x;char y;};
struct foo bar = { .y = 'X', .x = 1 };
],
[AC_MSG_RESULT(yes); c99_init=yes],[AC_MSG_RESULT(no)])
fi
if test "`uname`" = "HP-UX"; then
if test "$ac_cv_c_compiler_gnu" = no; then
CFLAGS="$CFLAGS -AC99";
c99_init=yes;
fi
fi
if test x"$c99_init" = x"yes"; then
saved_CFLAGS=""
$1
else
CFLAGS="$saved_CFLAGS"
saved_CFLAGS=""
$2
fi
])
AC_DEFUN(AC_PROG_CC_FLAG,
[AC_CACHE_CHECK(whether ${CC-cc} accepts -$1, ac_cv_prog_cc_$1,
[echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -$1 -c conftest.c 2>&1`"; then
ac_cv_prog_cc_$1=yes
else
ac_cv_prog_cc_$1=no
fi
rm -f conftest*
])])
AC_DEFUN([AC_EXTENSION_FLAG],
[
cat >>confdefs.h <<\EOF
EOF
AH_VERBATIM([$1], [])
AC_DEFUN(AC_HAVE_DECL,
[
AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
AC_TRY_COMPILE([$2],[int i = (int)$1],
ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
if test x"$ac_cv_have_$1_decl" = x"yes"; then
AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
fi
])
AC_DEFUN([AC_CHECK_LIB_EXT],
[
AH_CHECK_LIB_EXT([$1])
ac_check_lib_ext_save_LIBS=$LIBS
LIBS="-l$1 $$2 $7 $LIBS"
AS_LITERAL_IF([$1],
[AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1])],
[AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1''])])
m4_ifval([$3],
[
AH_CHECK_FUNC_EXT([$3])
AS_LITERAL_IF([$1],
[AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1_$3])],
[AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1''_$3])]) AC_CACHE_CHECK([for $3 in -l$1], ac_Lib_func,
[AC_TRY_LINK_FUNC($3,
[AS_VAR_SET(ac_Lib_func, yes);
AS_VAR_SET(ac_Lib_ext, yes)],
[AS_VAR_SET(ac_Lib_func, no);
AS_VAR_SET(ac_Lib_ext, no)])
])
AS_IF([test AS_VAR_GET(ac_Lib_func) = yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$3))]) AS_VAR_POPDEF([ac_Lib_func]) ],[
AC_CACHE_CHECK([for -l$1], ac_Lib_ext,
[AC_TRY_LINK_FUNC([main],
[AS_VAR_SET(ac_Lib_ext, yes)],
[AS_VAR_SET(ac_Lib_ext, no)])
])
])
LIBS=$ac_check_lib_ext_save_LIBS
AS_IF([test AS_VAR_GET(ac_Lib_ext) = yes],
[m4_default([$4],
[AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
case "$$2" in
*-l$1*)
;;
*)
$2="-l$1 $$2"
;;
esac])
[$6]
],
[$5])AS_VAR_POPDEF([ac_Lib_ext])])
m4_define([AH_CHECK_LIB_EXT],
[AH_TEMPLATE(AS_TR_CPP(HAVE_LIB$1),
[Define to 1 if you have the `]$1[' library (-l]$1[).])])
AC_DEFUN([AC_SEARCH_LIBS_EXT],
[AC_CACHE_CHECK([for library containing $1], [ac_cv_search_ext_$1],
[
ac_func_search_ext_save_LIBS=$LIBS
ac_cv_search_ext_$1=no
AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
[ac_cv_search_ext_$1="none required"])
if test "$ac_cv_search_ext_$1" = no; then
for ac_lib in $2; do
LIBS="-l$ac_lib $$3 $6 $ac_func_search_save_ext_LIBS"
AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
[ac_cv_search_ext_$1="-l$ac_lib"
break])
done
fi
LIBS=$ac_func_search_ext_save_LIBS])
AS_IF([test "$ac_cv_search_ext_$1" != no],
[test "$ac_cv_search_ext_$1" = "none required" || $3="$ac_cv_search_ext_$1 $$3"
$4],
[$5])])
AC_DEFUN([AC_CHECK_FUNC_EXT],
[
AH_CHECK_FUNC_EXT($1)
ac_check_func_ext_save_LIBS=$LIBS
LIBS="$2 $LIBS"
AS_VAR_PUSHDEF([ac_var], [ac_cv_func_ext_$1]) AC_CACHE_CHECK([for $1], ac_var,
[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
[AS_VAR_SET(ac_var, yes)],
[AS_VAR_SET(ac_var, no)])])
LIBS=$ac_check_func_ext_save_LIBS
AS_IF([test AS_VAR_GET(ac_var) = yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1])) $3],
[$4])AS_VAR_POPDEF([ac_var])])
m4_define([AH_CHECK_FUNC_EXT],
[AH_TEMPLATE(AS_TR_CPP(HAVE_$1),
[Define to 1 if you have the `]$1[' function.])])
define(AC_N_DEFINE,
[cat >> confdefs.h <<\EOF
[[[EOF
])
define(AC_ADD_INCLUDE,
[cat >> confdefs.h <<\EOF
[EOF
])
define(AC_REMOVE_INCLUDE,
[
grep -v '[cat confdefs.h.tmp > confdefs.h
rm confdefs.h.tmp
])
define(AC_REMOVE_DEFINE,
[
grep -v '[cat confdefs.h.tmp > confdefs.h
rm confdefs.h.tmp
])
m4_ifdef([AS_HELP_STRING], , [m4_define([AS_HELP_STRING], m4_defn([AC_HELP_STRING]))])
AC_DEFUN(AC_VERIFY_C_PROTOTYPE,
[AC_CACHE_CHECK([for prototype $1], AS_TR_SH([ac_cv_c_prototype_$1]),
AC_COMPILE_IFELSE([
AC_INCLUDES_DEFAULT
$5
$1
{
$2
}
],[
AS_TR_SH([ac_cv_c_prototype_$1])=yes
],[
AS_TR_SH([ac_cv_c_prototype_$1])=no
])
)
AS_IF([test $AS_TR_SH([ac_cv_c_prototype_$1]) = yes],[$3],[$4])
])
AC_DEFUN(LIBREPLACE_PROVIDE_HEADER,
[AC_CHECK_HEADER([$1],
[ AC_CONFIG_COMMANDS(rm-$1, [rm -f $libreplacedir/$1], [libreplacedir=$libreplacedir]) ],
[ AC_CONFIG_COMMANDS(mk-$1, [echo " )
])