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Commit 83c199bb authored by Yang Tse's avatar Yang Tse
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siginterrupt, signal and sigsetjmp checks

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configure.ac
+ 3
− 22
View file @ 83c199bb
......@@ -2080,6 +2080,9 @@ CURL_CHECK_FUNC_INET_NTOP
CURL_CHECK_FUNC_INET_PTON
CURL_CHECK_FUNC_LOCALTIME_R
CURL_CHECK_FUNC_SIGACTION
CURL_CHECK_FUNC_SIGINTERRUPT
CURL_CHECK_FUNC_SIGNAL
CURL_CHECK_FUNC_SIGSETJMP
CURL_CHECK_FUNC_STRCASECMP
CURL_CHECK_FUNC_STRCASESTR
CURL_CHECK_FUNC_STRCMPI
......@@ -2125,9 +2128,6 @@ AC_CHECK_FUNCS([basename \
setlocale \
setmode \
setrlimit \
siginterrupt \
signal \
sigsetjmp \
socket \
uname \
utime
......@@ -2154,25 +2154,6 @@ AC_CHECK_FUNCS([basename \
])
dnl sigsetjmp() might be a macro and no function so if it isn't found already
dnl we make an extra check here!
if test "$ac_cv_func_sigsetjmp" != "yes"; then
AC_MSG_CHECKING([for sigsetjmp defined as macro])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <setjmp.h>
]],[[
sigjmp_buf jmpenv;
sigsetjmp(jmpenv, 1);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_SIGSETJMP, 1, [If you have sigsetjmp])
],[
AC_MSG_RESULT([no])
])
fi
AC_CHECK_DECL(basename, ,
AC_DEFINE(NEED_BASENAME_PROTO, 1, [If you lack a fine basename() prototype]),
#ifdef HAVE_STRING_H
......
m4/curl-functions.m4
+ 299
− 1
View file @ 83c199bb
......@@ -22,7 +22,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 22
# serial 24
dnl CURL_INCLUDES_ARPA_INET
......@@ -73,6 +73,27 @@ curl_includes_netdb="\
])
dnl CURL_INCLUDES_SETJMP
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when setjmp.h is to be included.
AC_DEFUN([CURL_INCLUDES_SETJMP], [
curl_includes_setjmp="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SETJMP_H
# include <setjmp.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h setjmp.h,
[], [], [$curl_includes_setjmp])
])
dnl CURL_INCLUDES_SIGNAL
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
......@@ -1787,6 +1808,283 @@ AC_DEFUN([CURL_CHECK_FUNC_SIGACTION], [
])
dnl CURL_CHECK_FUNC_SIGINTERRUPT
dnl -------------------------------------------------
dnl Verify if siginterrupt is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_siginterrupt, then
dnl HAVE_SIGINTERRUPT will be defined.
AC_DEFUN([CURL_CHECK_FUNC_SIGINTERRUPT], [
AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl
#
tst_links_siginterrupt="unknown"
tst_proto_siginterrupt="unknown"
tst_compi_siginterrupt="unknown"
tst_allow_siginterrupt="unknown"
#
AC_MSG_CHECKING([if siginterrupt can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([siginterrupt])
],[
AC_MSG_RESULT([yes])
tst_links_siginterrupt="yes"
],[
AC_MSG_RESULT([no])
tst_links_siginterrupt="no"
])
#
if test "$tst_links_siginterrupt" = "yes"; then
AC_MSG_CHECKING([if siginterrupt is prototyped])
AC_EGREP_CPP([siginterrupt],[
$curl_includes_signal
],[
AC_MSG_RESULT([yes])
tst_proto_siginterrupt="yes"
],[
AC_MSG_RESULT([no])
tst_proto_siginterrupt="no"
])
fi
#
if test "$tst_proto_siginterrupt" = "yes"; then
AC_MSG_CHECKING([if siginterrupt is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_signal
]],[[
if(0 != siginterrupt(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_siginterrupt="yes"
],[
AC_MSG_RESULT([no])
tst_compi_siginterrupt="no"
])
fi
#
if test "$tst_compi_siginterrupt" = "yes"; then
AC_MSG_CHECKING([if siginterrupt usage allowed])
if test "x$curl_disallow_siginterrupt" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_siginterrupt="yes"
else
AC_MSG_RESULT([no])
tst_allow_siginterrupt="no"
fi
fi
#
AC_MSG_CHECKING([if siginterrupt might be used])
if test "$tst_links_siginterrupt" = "yes" &&
test "$tst_proto_siginterrupt" = "yes" &&
test "$tst_compi_siginterrupt" = "yes" &&
test "$tst_allow_siginterrupt" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_SIGINTERRUPT, 1,
[Define to 1 if you have the siginterrupt function.])
ac_cv_func_siginterrupt="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_siginterrupt="no"
fi
])
dnl CURL_CHECK_FUNC_SIGNAL
dnl -------------------------------------------------
dnl Verify if signal is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_signal, then
dnl HAVE_SIGNAL will be defined.
AC_DEFUN([CURL_CHECK_FUNC_SIGNAL], [
AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl
#
tst_links_signal="unknown"
tst_proto_signal="unknown"
tst_compi_signal="unknown"
tst_allow_signal="unknown"
#
AC_MSG_CHECKING([if signal can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([signal])
],[
AC_MSG_RESULT([yes])
tst_links_signal="yes"
],[
AC_MSG_RESULT([no])
tst_links_signal="no"
])
#
if test "$tst_links_signal" = "yes"; then
AC_MSG_CHECKING([if signal is prototyped])
AC_EGREP_CPP([signal],[
$curl_includes_signal
],[
AC_MSG_RESULT([yes])
tst_proto_signal="yes"
],[
AC_MSG_RESULT([no])
tst_proto_signal="no"
])
fi
#
if test "$tst_proto_signal" = "yes"; then
AC_MSG_CHECKING([if signal is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_signal
]],[[
if(0 != signal(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_signal="yes"
],[
AC_MSG_RESULT([no])
tst_compi_signal="no"
])
fi
#
if test "$tst_compi_signal" = "yes"; then
AC_MSG_CHECKING([if signal usage allowed])
if test "x$curl_disallow_signal" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_signal="yes"
else
AC_MSG_RESULT([no])
tst_allow_signal="no"
fi
fi
#
AC_MSG_CHECKING([if signal might be used])
if test "$tst_links_signal" = "yes" &&
test "$tst_proto_signal" = "yes" &&
test "$tst_compi_signal" = "yes" &&
test "$tst_allow_signal" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_SIGNAL, 1,
[Define to 1 if you have the signal function.])
ac_cv_func_signal="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_signal="no"
fi
])
dnl CURL_CHECK_FUNC_SIGSETJMP
dnl -------------------------------------------------
dnl Verify if sigsetjmp is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_sigsetjmp, then
dnl HAVE_SIGSETJMP will be defined.
AC_DEFUN([CURL_CHECK_FUNC_SIGSETJMP], [
AC_REQUIRE([CURL_INCLUDES_SETJMP])dnl
#
tst_links_sigsetjmp="unknown"
tst_macro_sigsetjmp="unknown"
tst_proto_sigsetjmp="unknown"
tst_compi_sigsetjmp="unknown"
tst_allow_sigsetjmp="unknown"
#
AC_MSG_CHECKING([if sigsetjmp can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([sigsetjmp])
],[
AC_MSG_RESULT([yes])
tst_links_sigsetjmp="yes"
],[
AC_MSG_RESULT([no])
tst_links_sigsetjmp="no"
])
#
if test "$tst_links_sigsetjmp" = "no"; then
AC_MSG_CHECKING([if sigsetjmp seems a macro])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_setjmp
]],[[
sigjmp_buf env;
if(0 != sigsetjmp(env, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_macro_sigsetjmp="yes"
],[
AC_MSG_RESULT([no])
tst_macro_sigsetjmp="no"
])
fi
#
if test "$tst_links_sigsetjmp" = "yes"; then
AC_MSG_CHECKING([if sigsetjmp is prototyped])
AC_EGREP_CPP([sigsetjmp],[
$curl_includes_setjmp
],[
AC_MSG_RESULT([yes])
tst_proto_sigsetjmp="yes"
],[
AC_MSG_RESULT([no])
tst_proto_sigsetjmp="no"
])
fi
#
if test "$tst_proto_sigsetjmp" = "yes" ||
test "$tst_macro_sigsetjmp" = "yes"; then
AC_MSG_CHECKING([if sigsetjmp is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_setjmp
]],[[
sigjmp_buf env;
if(0 != sigsetjmp(env, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_sigsetjmp="yes"
],[
AC_MSG_RESULT([no])
tst_compi_sigsetjmp="no"
])
fi
#
if test "$tst_compi_sigsetjmp" = "yes"; then
AC_MSG_CHECKING([if sigsetjmp usage allowed])
if test "x$curl_disallow_sigsetjmp" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_sigsetjmp="yes"
else
AC_MSG_RESULT([no])
tst_allow_sigsetjmp="no"
fi
fi
#
AC_MSG_CHECKING([if sigsetjmp might be used])
if (test "$tst_proto_sigsetjmp" = "yes" ||
test "$tst_macro_sigsetjmp" = "yes") &&
test "$tst_compi_sigsetjmp" = "yes" &&
test "$tst_allow_sigsetjmp" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_SIGSETJMP, 1,
[Define to 1 if you have the sigsetjmp function or macro.])
ac_cv_func_sigsetjmp="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_sigsetjmp="no"
fi
])
dnl CURL_CHECK_FUNC_STRCASECMP
dnl -------------------------------------------------
dnl Verify if strcasecmp is available, prototyped, and
......
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