mirror of
https://github.com/moparisthebest/curl
synced 2024-12-21 23:58:49 -05:00
Refactor how preprocessor symbol _THREAD_SAFE definition is done.
This commit is contained in:
Yang Tse
parent
a8ddd6ce31
commit
1cbc93fb54
@ -48,6 +48,17 @@
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/* system header files in our config files, avoid this at any cost. */
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/* ================================================================ */
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/*
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* AIX 4.3 and newer needs _THREAD_SAFE defined to build
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* proper reentrant code. Others may also need it.
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*/
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#ifdef NEED_THREAD_SAFE
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# ifndef _THREAD_SAFE
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# define _THREAD_SAFE
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# endif
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#endif
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/*
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* Tru64 needs _REENTRANT set for a few function prototypes and
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* things to appear in the system header files. Unixware needs it
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@ -82,6 +82,7 @@ dnl This defines _ALL_SOURCE for AIX
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CARES_CHECK_AIX_ALL_SOURCE
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dnl Our configure and build reentrant settings
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CARES_CONFIGURE_THREAD_SAFE
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CARES_CONFIGURE_REENTRANT
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dnl check for how to do large files
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@ -384,21 +385,6 @@ AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
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dnl Default is to try the thread-safe versions of a few functions
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OPT_THREAD=on
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dnl detect AIX 4.3 or later
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AC_MSG_CHECKING([AIX 4.3 or later])
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AC_PREPROC_IFELSE([
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#if defined(_AIX) && defined(_AIX43)
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printf("just fine");
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#else
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#error "this is not AIX 4.3 or later"
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#endif
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],
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[ AC_MSG_RESULT([yes])
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RECENTAIX=yes
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OPT_THREAD=off ],
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[ AC_MSG_RESULT([no]) ]
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)
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AC_ARG_ENABLE(thread,dnl
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AC_HELP_STRING([--disable-thread],[don't look for thread-safe functions])
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AC_HELP_STRING([--enable-thread],[look for thread-safe functions]),
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@ -427,12 +413,6 @@ dnl Let's hope this split URL remains working:
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dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
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dnl genprogc/thread_quick_ref.htm
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if test "x$RECENTAIX" = "xyes"; then
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AC_DEFINE(_THREAD_SAFE, 1, [define this if you need it to compile thread-safe code])
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fi
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dnl **********************************************************************
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dnl Back to "normal" configuring
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@ -422,8 +422,8 @@ dnl must be unconditionally done for this platform.
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dnl Internal macro for CARES_CONFIGURE_REENTRANT.
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AC_DEFUN([CARES_CHECK_NEED_REENTRANT_SYSTEM], [
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case $host in
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*-*-solaris*)
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case $host_os in
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solaris*)
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tmp_need_reentrant="yes"
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;;
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*)
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@ -433,6 +433,29 @@ AC_DEFUN([CARES_CHECK_NEED_REENTRANT_SYSTEM], [
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])
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dnl CARES_CHECK_NEED_THREAD_SAFE_SYSTEM
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dnl -------------------------------------------------
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dnl Checks if the preprocessor _THREAD_SAFE definition
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dnl must be unconditionally done for this platform.
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dnl Internal macro for CARES_CONFIGURE_THREAD_SAFE.
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AC_DEFUN([CARES_CHECK_NEED_THREAD_SAFE_SYSTEM], [
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case $host_os in
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aix[[123]].* | aix4.[[012]].*)
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dnl aix 4.2 and older
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tmp_need_thread_safe="no"
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;;
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aix*)
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dnl AIX 4.3 and newer
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tmp_need_thread_safe="yes"
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;;
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*)
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tmp_need_thread_safe="no"
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;;
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esac
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])
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dnl CARES_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT
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dnl -------------------------------------------------
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dnl This macro ensures that configuration tests done
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@ -453,6 +476,26 @@ _EOF
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])
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dnl CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
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dnl -------------------------------------------------
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dnl This macro ensures that configuration tests done
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dnl after this will execute with preprocessor symbol
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dnl _THREAD_SAFE defined. This macro also ensures that
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dnl the generated config file defines NEED_THREAD_SAFE
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dnl and that in turn setup.h will define _THREAD_SAFE.
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dnl Internal macro for CARES_CONFIGURE_THREAD_SAFE.
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AC_DEFUN([CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE], [
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AC_DEFINE(NEED_THREAD_SAFE, 1,
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[Define to 1 if _THREAD_SAFE preprocessor symbol must be defined.])
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cat >>confdefs.h <<_EOF
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#ifndef _THREAD_SAFE
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# define _THREAD_SAFE
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#endif
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_EOF
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])
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dnl CARES_CONFIGURE_REENTRANT
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dnl -------------------------------------------------
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dnl This first checks if the preprocessor _REENTRANT
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@ -513,3 +556,56 @@ AC_DEFUN([CARES_CONFIGURE_REENTRANT], [
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#
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])
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dnl CARES_CONFIGURE_THREAD_SAFE
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dnl -------------------------------------------------
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dnl This first checks if the preprocessor _THREAD_SAFE
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dnl symbol is already defined. If it isn't currently
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dnl defined a set of checks are performed to verify
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dnl if its definition is required. Finally, if
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dnl _THREAD_SAFE is already defined or needed it takes
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dnl care of making adjustments necessary to ensure
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dnl that it is defined equally for further configure
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dnl tests and generated config file.
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AC_DEFUN([CARES_CONFIGURE_THREAD_SAFE], [
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AC_PREREQ([2.50])dnl
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#
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AC_MSG_CHECKING([if _THREAD_SAFE is already defined])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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]],[[
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#ifdef _THREAD_SAFE
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int dummy=1;
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#else
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force compilation error
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#endif
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]])
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],[
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AC_MSG_RESULT([yes])
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tmp_thread_safe_initially_defined="yes"
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],[
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AC_MSG_RESULT([no])
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tmp_thread_safe_initially_defined="no"
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])
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#
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if test "$tmp_thread_safe_initially_defined" = "no"; then
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AC_MSG_CHECKING([if _THREAD_SAFE is actually needed])
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CARES_CHECK_NEED_THREAD_SAFE_SYSTEM
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if test "$tmp_need_thread_safe" = "yes"; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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fi
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#
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AC_MSG_CHECKING([if _THREAD_SAFE is onwards defined])
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if test "$tmp_thread_safe_initially_defined" = "yes" ||
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test "$tmp_need_thread_safe" = "yes"; then
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CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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#
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])
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30
configure.ac
30
configure.ac
@ -148,6 +148,7 @@ dnl This defines _ALL_SOURCE for AIX
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CURL_CHECK_AIX_ALL_SOURCE
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dnl Our configure and build reentrant settings
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CURL_CONFIGURE_THREAD_SAFE
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CURL_CONFIGURE_REENTRANT
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dnl check for how to do large files
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@ -1823,22 +1824,6 @@ esac
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dnl Default is to try the thread-safe versions of a few functions
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OPT_THREAD=on
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dnl detect AIX 4.3 or later
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dnl see full docs on this reasoning in the lib/hostip.c source file
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AC_MSG_CHECKING([AIX 4.3 or later])
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AC_PREPROC_IFELSE([
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#if defined(_AIX) && defined(_AIX43)
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printf("just fine");
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#else
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#error "this is not AIX 4.3 or later"
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#endif
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],
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[ AC_MSG_RESULT([yes])
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RECENTAIX=yes
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OPT_THREAD=off ],
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[ AC_MSG_RESULT([no]) ]
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)
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AC_ARG_ENABLE(thread,dnl
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AC_HELP_STRING([--disable-thread],[don't look for thread-safe functions])
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AC_HELP_STRING([--enable-thread],[look for thread-safe functions]),
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@ -1886,19 +1871,6 @@ dnl Let's hope this split URL remains working:
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dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
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dnl genprogc/thread_quick_ref.htm
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if test "x$RECENTAIX" = "xyes"; then
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AC_DEFINE(_THREAD_SAFE, 1, [define this if you need it to compile thread-safe code])
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dnl is there a localtime_r()
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dnl the old localtime_r check was done here
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dnl is there a strerror_r()
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dnl the old strerror_r check was done here
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checkfor_gmtime_r="yes"
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fi
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dnl **********************************************************************
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dnl Back to "normal" configuring
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@ -640,9 +640,12 @@
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/* Define to 1 if you need the malloc.h header file even with stdlib.h */
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/* #undef NEED_MALLOC_H */
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/* need REENTRANT defined */
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/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
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/* #undef NEED_REENTRANT */
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/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
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/* #undef NEED_THREAD_SAFE */
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/* cpu-machine-OS */
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#ifdef __WINS__
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#define OS "i386-pc-epoc32"
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@ -767,9 +770,6 @@
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/* Define for large files, on AIX-style hosts. */
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/* #undef _LARGE_FILES */
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/* define this if you need it to compile thread-safe code */
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/* #undef _THREAD_SAFE */
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/* Define to empty if `const' does not conform to ANSI C. */
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/* #undef const */
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@ -559,9 +559,12 @@
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/* if you have the zlib.h header file */
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/* #undef HAVE_ZLIB_H */
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/* need REENTRANT defined */
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/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
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/* #undef NEED_REENTRANT */
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/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
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/* #undef NEED_THREAD_SAFE */
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/* cpu-machine-OS */
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#define OS "s390x-ibm-tpf"
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@ -653,9 +656,6 @@
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/* Define for large files, on AIX-style hosts. */
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/* #undef _LARGE_FILES */
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/* define this if you need it to compile thread-safe code */
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/* #undef _THREAD_SAFE */
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/* Define to empty if `const' does not conform to ANSI C. */
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/* #undef const */
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@ -745,6 +745,9 @@
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/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
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/* #undef NEED_REENTRANT */
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/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
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/* #undef NEED_THREAD_SAFE */
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/* Define to 1 if the open function requires three arguments. */
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#define OPEN_NEEDS_ARG3 1
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@ -913,9 +916,6 @@
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/* Define for large files, on AIX-style hosts. */
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/* #undef _LARGE_FILES */
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/* define this if you need it to compile thread-safe code */
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/* #undef _THREAD_SAFE */
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/* Define to empty if `const' does not conform to ANSI C. */
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/* #undef const */
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11
lib/setup.h
11
lib/setup.h
@ -85,6 +85,17 @@
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/* system header files in our config files, avoid this at any cost. */
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/* ================================================================ */
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/*
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* AIX 4.3 and newer needs _THREAD_SAFE defined to build
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* proper reentrant code. Others may also need it.
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*/
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#ifdef NEED_THREAD_SAFE
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# ifndef _THREAD_SAFE
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# define _THREAD_SAFE
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# endif
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#endif
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/*
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* Tru64 needs _REENTRANT set for a few function prototypes and
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* things to appear in the system header files. Unixware needs it
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@ -428,8 +428,8 @@ dnl must be unconditionally done for this platform.
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dnl Internal macro for CURL_CONFIGURE_REENTRANT.
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AC_DEFUN([CURL_CHECK_NEED_REENTRANT_SYSTEM], [
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case $host in
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*-*-solaris*)
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case $host_os in
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solaris*)
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tmp_need_reentrant="yes"
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;;
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*)
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@ -439,6 +439,29 @@ AC_DEFUN([CURL_CHECK_NEED_REENTRANT_SYSTEM], [
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])
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dnl CURL_CHECK_NEED_THREAD_SAFE_SYSTEM
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dnl -------------------------------------------------
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dnl Checks if the preprocessor _THREAD_SAFE definition
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dnl must be unconditionally done for this platform.
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dnl Internal macro for CURL_CONFIGURE_THREAD_SAFE.
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AC_DEFUN([CURL_CHECK_NEED_THREAD_SAFE_SYSTEM], [
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case $host_os in
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aix[[123]].* | aix4.[[012]].*)
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dnl aix 4.2 and older
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tmp_need_thread_safe="no"
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;;
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aix*)
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dnl AIX 4.3 and newer
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tmp_need_thread_safe="yes"
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;;
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*)
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tmp_need_thread_safe="no"
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;;
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esac
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])
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dnl CURL_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT
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dnl -------------------------------------------------
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dnl This macro ensures that configuration tests done
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@ -459,6 +482,26 @@ _EOF
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])
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dnl CURL_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
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dnl -------------------------------------------------
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dnl This macro ensures that configuration tests done
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dnl after this will execute with preprocessor symbol
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dnl _THREAD_SAFE defined. This macro also ensures that
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dnl the generated config file defines NEED_THREAD_SAFE
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dnl and that in turn setup.h will define _THREAD_SAFE.
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dnl Internal macro for CURL_CONFIGURE_THREAD_SAFE.
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AC_DEFUN([CURL_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE], [
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AC_DEFINE(NEED_THREAD_SAFE, 1,
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[Define to 1 if _THREAD_SAFE preprocessor symbol must be defined.])
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cat >>confdefs.h <<_EOF
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#ifndef _THREAD_SAFE
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# define _THREAD_SAFE
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#endif
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_EOF
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])
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dnl CURL_CONFIGURE_REENTRANT
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dnl -------------------------------------------------
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dnl This first checks if the preprocessor _REENTRANT
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@ -519,3 +562,57 @@ AC_DEFUN([CURL_CONFIGURE_REENTRANT], [
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#
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])
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dnl CURL_CONFIGURE_THREAD_SAFE
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dnl -------------------------------------------------
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dnl This first checks if the preprocessor _THREAD_SAFE
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dnl symbol is already defined. If it isn't currently
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dnl defined a set of checks are performed to verify
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dnl if its definition is required. Finally, if
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dnl _THREAD_SAFE is already defined or needed it takes
|
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dnl care of making adjustments necessary to ensure
|
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dnl that it is defined equally for further configure
|
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dnl tests and generated config file.
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|
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AC_DEFUN([CURL_CONFIGURE_THREAD_SAFE], [
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AC_PREREQ([2.50])dnl
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#
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AC_MSG_CHECKING([if _THREAD_SAFE is already defined])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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]],[[
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#ifdef _THREAD_SAFE
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int dummy=1;
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#else
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force compilation error
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#endif
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]])
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],[
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AC_MSG_RESULT([yes])
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tmp_thread_safe_initially_defined="yes"
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],[
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AC_MSG_RESULT([no])
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tmp_thread_safe_initially_defined="no"
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])
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#
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if test "$tmp_thread_safe_initially_defined" = "no"; then
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AC_MSG_CHECKING([if _THREAD_SAFE is actually needed])
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CURL_CHECK_NEED_THREAD_SAFE_SYSTEM
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if test "$tmp_need_thread_safe" = "yes"; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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fi
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#
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AC_MSG_CHECKING([if _THREAD_SAFE is onwards defined])
|
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if test "$tmp_thread_safe_initially_defined" = "yes" ||
|
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test "$tmp_need_thread_safe" = "yes"; then
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CURL_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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#
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])
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11
src/setup.h
11
src/setup.h
@ -68,6 +68,17 @@
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#endif /* HAVE_CONFIG_H */
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/*
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* AIX 4.3 and newer needs _THREAD_SAFE defined to build
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* proper reentrant code. Others may also need it.
|
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*/
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|
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#ifdef NEED_THREAD_SAFE
|
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# ifndef _THREAD_SAFE
|
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# define _THREAD_SAFE
|
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# endif
|
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#endif
|
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|
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/*
|
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* Tru64 needs _REENTRANT set for a few function prototypes and
|
||||
* things to appear in the system header files. Unixware needs it
|
||||
|
||||
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Block a user