diff options
Diffstat (limited to 'ares')
| -rw-r--r-- | ares/CHANGES | 10 | ||||
| -rw-r--r-- | ares/acinclude.m4 | 30 | ||||
| -rw-r--r-- | ares/configure.ac | 4 |
3 files changed, 41 insertions, 3 deletions
diff --git a/ares/CHANGES b/ares/CHANGES index d727f4ba2..d23897216 100644 --- a/ares/CHANGES +++ b/ares/CHANGES @@ -1,6 +1,14 @@ Changelog for the c-ares project -* Aug 01 2008 (Yang Tse) +* Aug 4 2008 (Yang Tse) +- Autoconf 2.62 has changed the behaviour of the AC_AIX macro which we use. + Prior versions of autoconf defined _ALL_SOURCE if _AIX was defined. 2.62 + version of AC_AIX defines _ALL_SOURCE and other four preprocessor symbols + no matter if the system is AIX or not. To keep the traditional behaviour, + and an uniform one across autoconf versions AC_AIX is replaced with our + own internal macro CARES_CHECK_AIX_ALL_SOURCE. + +* Aug 1 2008 (Yang Tse) - Configure process now checks if the preprocessor _REENTRANT symbol is already defined. If it isn't currently defined a set of checks are performed to test if its definition is required to make visible to the compiler a set of *_r diff --git a/ares/acinclude.m4 b/ares/acinclude.m4 index bdea38447..a8c867b79 100644 --- a/ares/acinclude.m4 +++ b/ares/acinclude.m4 @@ -47,7 +47,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE], [ ]) -dnl CURL_CHECK_DEF(SYMBOL, [INCLUDES], [SILENT]) +dnl CURL_CHECK_DEF (SYMBOL, [INCLUDES], [SILENT]) dnl ------------------------------------------------- dnl Use the C preprocessor to find out if the given object-style symbol dnl is defined and get its expansion. This macro will not use default @@ -94,6 +94,34 @@ CURL_DEF_TOKEN $1 ]) +dnl CARES_CHECK_AIX_ALL_SOURCE +dnl ------------------------------------------------- +dnl Provides a replacement of traditional AC_AIX with +dnl an uniform behaviour across all autoconf versions, +dnl and with our own placement rules. + +AC_DEFUN([CARES_CHECK_AIX_ALL_SOURCE], [ + AH_VERBATIM([_ALL_SOURCE], + [/* Define to 1 if OS is AIX. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif]) + AC_BEFORE([$0], [AC_SYS_LARGEFILE])dnl + AC_BEFORE([$0], [CARES_CONFIGURE_REENTRANT])dnl + AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)]) + AC_EGREP_CPP([yes_this_is_aix],[ +#ifdef _AIX + yes_this_is_aix +#endif + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(_ALL_SOURCE) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + + dnl CURL_CHECK_HEADER_WINDOWS dnl ------------------------------------------------- dnl Check for compilable and valid windows.h header diff --git a/ares/configure.ac b/ares/configure.ac index f31896cce..8ba64e7e0 100644 --- a/ares/configure.ac +++ b/ares/configure.ac @@ -64,11 +64,13 @@ AC_CANONICAL_HOST dnl Get system canonical name AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS]) -AC_AIX AC_PROG_CC AM_PROG_CC_C_O AC_PROG_INSTALL +dnl This defines _ALL_SOURCE for AIX +CARES_CHECK_AIX_ALL_SOURCE + dnl Our configure and build reentrant settings CARES_CONFIGURE_REENTRANT |