mirror of
https://github.com/moparisthebest/curl
synced 2025-02-28 09:21:50 -05:00
siginterrupt, signal and sigsetjmp checks
This commit is contained in:
Yang Tse
parent
2ec6d08613
commit
83c199bb00
25
configure.ac
25
configure.ac
@ -2080,6 +2080,9 @@ CURL_CHECK_FUNC_INET_NTOP
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CURL_CHECK_FUNC_INET_PTON
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CURL_CHECK_FUNC_LOCALTIME_R
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CURL_CHECK_FUNC_SIGACTION
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CURL_CHECK_FUNC_SIGINTERRUPT
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CURL_CHECK_FUNC_SIGNAL
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CURL_CHECK_FUNC_SIGSETJMP
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CURL_CHECK_FUNC_STRCASECMP
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CURL_CHECK_FUNC_STRCASESTR
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CURL_CHECK_FUNC_STRCMPI
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@ -2125,9 +2128,6 @@ AC_CHECK_FUNCS([basename \
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setlocale \
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setmode \
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setrlimit \
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siginterrupt \
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signal \
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sigsetjmp \
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socket \
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uname \
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utime
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@ -2154,25 +2154,6 @@ AC_CHECK_FUNCS([basename \
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])
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dnl sigsetjmp() might be a macro and no function so if it isn't found already
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dnl we make an extra check here!
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if test "$ac_cv_func_sigsetjmp" != "yes"; then
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AC_MSG_CHECKING([for sigsetjmp defined as macro])
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <setjmp.h>
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]],[[
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sigjmp_buf jmpenv;
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sigsetjmp(jmpenv, 1);
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]])
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],[
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_SIGSETJMP, 1, [If you have sigsetjmp])
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],[
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AC_MSG_RESULT([no])
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])
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fi
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AC_CHECK_DECL(basename, ,
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AC_DEFINE(NEED_BASENAME_PROTO, 1, [If you lack a fine basename() prototype]),
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#ifdef HAVE_STRING_H
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@ -22,7 +22,7 @@
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 22
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# serial 24
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dnl CURL_INCLUDES_ARPA_INET
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@ -73,6 +73,27 @@ curl_includes_netdb="\
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])
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dnl CURL_INCLUDES_SETJMP
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dnl -------------------------------------------------
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dnl Set up variable with list of headers that must be
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dnl included when setjmp.h is to be included.
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AC_DEFUN([CURL_INCLUDES_SETJMP], [
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curl_includes_setjmp="\
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/* includes start */
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SETJMP_H
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# include <setjmp.h>
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#endif
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/* includes end */"
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AC_CHECK_HEADERS(
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sys/types.h setjmp.h,
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[], [], [$curl_includes_setjmp])
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])
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dnl CURL_INCLUDES_SIGNAL
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dnl -------------------------------------------------
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dnl Set up variable with list of headers that must be
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@ -1787,6 +1808,283 @@ AC_DEFUN([CURL_CHECK_FUNC_SIGACTION], [
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])
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dnl CURL_CHECK_FUNC_SIGINTERRUPT
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dnl -------------------------------------------------
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dnl Verify if siginterrupt is available, prototyped, and
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dnl can be compiled. If all of these are true, and
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dnl usage has not been previously disallowed with
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dnl shell variable curl_disallow_siginterrupt, then
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dnl HAVE_SIGINTERRUPT will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_SIGINTERRUPT], [
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AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl
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#
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tst_links_siginterrupt="unknown"
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tst_proto_siginterrupt="unknown"
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tst_compi_siginterrupt="unknown"
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tst_allow_siginterrupt="unknown"
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#
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AC_MSG_CHECKING([if siginterrupt can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([siginterrupt])
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],[
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AC_MSG_RESULT([yes])
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tst_links_siginterrupt="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_siginterrupt="no"
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])
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#
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if test "$tst_links_siginterrupt" = "yes"; then
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AC_MSG_CHECKING([if siginterrupt is prototyped])
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AC_EGREP_CPP([siginterrupt],[
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$curl_includes_signal
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],[
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AC_MSG_RESULT([yes])
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tst_proto_siginterrupt="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_siginterrupt="no"
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])
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fi
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#
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if test "$tst_proto_siginterrupt" = "yes"; then
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AC_MSG_CHECKING([if siginterrupt is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_signal
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]],[[
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if(0 != siginterrupt(0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_siginterrupt="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_siginterrupt="no"
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])
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fi
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#
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if test "$tst_compi_siginterrupt" = "yes"; then
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AC_MSG_CHECKING([if siginterrupt usage allowed])
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if test "x$curl_disallow_siginterrupt" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_siginterrupt="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_siginterrupt="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if siginterrupt might be used])
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if test "$tst_links_siginterrupt" = "yes" &&
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test "$tst_proto_siginterrupt" = "yes" &&
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test "$tst_compi_siginterrupt" = "yes" &&
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test "$tst_allow_siginterrupt" = "yes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_SIGINTERRUPT, 1,
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[Define to 1 if you have the siginterrupt function.])
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ac_cv_func_siginterrupt="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_siginterrupt="no"
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fi
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])
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dnl CURL_CHECK_FUNC_SIGNAL
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dnl -------------------------------------------------
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dnl Verify if signal is available, prototyped, and
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dnl can be compiled. If all of these are true, and
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dnl usage has not been previously disallowed with
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dnl shell variable curl_disallow_signal, then
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dnl HAVE_SIGNAL will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_SIGNAL], [
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AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl
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#
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tst_links_signal="unknown"
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tst_proto_signal="unknown"
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tst_compi_signal="unknown"
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tst_allow_signal="unknown"
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#
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AC_MSG_CHECKING([if signal can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([signal])
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],[
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AC_MSG_RESULT([yes])
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tst_links_signal="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_signal="no"
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])
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#
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if test "$tst_links_signal" = "yes"; then
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AC_MSG_CHECKING([if signal is prototyped])
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AC_EGREP_CPP([signal],[
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$curl_includes_signal
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],[
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AC_MSG_RESULT([yes])
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tst_proto_signal="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_signal="no"
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])
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fi
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#
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if test "$tst_proto_signal" = "yes"; then
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AC_MSG_CHECKING([if signal is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_signal
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]],[[
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if(0 != signal(0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_signal="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_signal="no"
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])
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fi
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#
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if test "$tst_compi_signal" = "yes"; then
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AC_MSG_CHECKING([if signal usage allowed])
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if test "x$curl_disallow_signal" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_signal="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_signal="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if signal might be used])
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if test "$tst_links_signal" = "yes" &&
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test "$tst_proto_signal" = "yes" &&
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test "$tst_compi_signal" = "yes" &&
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test "$tst_allow_signal" = "yes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_SIGNAL, 1,
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[Define to 1 if you have the signal function.])
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ac_cv_func_signal="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_signal="no"
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fi
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])
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dnl CURL_CHECK_FUNC_SIGSETJMP
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dnl -------------------------------------------------
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dnl Verify if sigsetjmp is available, prototyped, and
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dnl can be compiled. If all of these are true, and
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dnl usage has not been previously disallowed with
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dnl shell variable curl_disallow_sigsetjmp, then
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dnl HAVE_SIGSETJMP will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_SIGSETJMP], [
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AC_REQUIRE([CURL_INCLUDES_SETJMP])dnl
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#
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tst_links_sigsetjmp="unknown"
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tst_macro_sigsetjmp="unknown"
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tst_proto_sigsetjmp="unknown"
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tst_compi_sigsetjmp="unknown"
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tst_allow_sigsetjmp="unknown"
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#
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AC_MSG_CHECKING([if sigsetjmp can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([sigsetjmp])
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],[
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AC_MSG_RESULT([yes])
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tst_links_sigsetjmp="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_sigsetjmp="no"
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])
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#
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if test "$tst_links_sigsetjmp" = "no"; then
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AC_MSG_CHECKING([if sigsetjmp seems a macro])
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_setjmp
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]],[[
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sigjmp_buf env;
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if(0 != sigsetjmp(env, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_macro_sigsetjmp="yes"
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],[
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AC_MSG_RESULT([no])
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tst_macro_sigsetjmp="no"
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])
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fi
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#
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if test "$tst_links_sigsetjmp" = "yes"; then
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AC_MSG_CHECKING([if sigsetjmp is prototyped])
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AC_EGREP_CPP([sigsetjmp],[
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$curl_includes_setjmp
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],[
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AC_MSG_RESULT([yes])
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tst_proto_sigsetjmp="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_sigsetjmp="no"
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])
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fi
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#
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if test "$tst_proto_sigsetjmp" = "yes" ||
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test "$tst_macro_sigsetjmp" = "yes"; then
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AC_MSG_CHECKING([if sigsetjmp is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_setjmp
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]],[[
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sigjmp_buf env;
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if(0 != sigsetjmp(env, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_sigsetjmp="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_sigsetjmp="no"
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])
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fi
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#
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if test "$tst_compi_sigsetjmp" = "yes"; then
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AC_MSG_CHECKING([if sigsetjmp usage allowed])
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if test "x$curl_disallow_sigsetjmp" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_sigsetjmp="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_sigsetjmp="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if sigsetjmp might be used])
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if (test "$tst_proto_sigsetjmp" = "yes" ||
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test "$tst_macro_sigsetjmp" = "yes") &&
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test "$tst_compi_sigsetjmp" = "yes" &&
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test "$tst_allow_sigsetjmp" = "yes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_SIGSETJMP, 1,
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[Define to 1 if you have the sigsetjmp function or macro.])
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ac_cv_func_sigsetjmp="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_sigsetjmp="no"
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fi
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])
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dnl CURL_CHECK_FUNC_STRCASECMP
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dnl -------------------------------------------------
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dnl Verify if strcasecmp is available, prototyped, and
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