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Previously, we included <xlocale.h> only if necessary to get the definition of type locale_t. According to notes in PGAC_TYPE_LOCALE_T, this is important because on some versions of glibc that file supplies an incompatible declaration of locale_t. (This info may be obsolete, because on my RHEL6 box that seems to be the *only* definition of locale_t; but there may still be glibc's in the wild for which it's a live concern.) It turns out though that on FreeBSD and maybe other BSDen, you can get locale_t from stdlib.h or locale.h but mbstowcs_l() and friends only from <xlocale.h>. This was leaving us compiling calls to mbstowcs_l() and friends with no visible prototype, which causes a warning and could possibly cause actual trouble, since it's not declared to return int. Hence, adjust the configure checks so that we'll include <xlocale.h> either if it's necessary to get type locale_t or if it's necessary to get a declaration of mbstowcs_l(). Report and patch by Aleksander Alekseev, somewhat whacked around by me. Back-patch to all supported branches, since we have been using mbstowcs_l() since 9.1. |
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| ac_func_accept_argtypes.m4 | ||
| acx_pthread.m4 | ||
| c-compiler.m4 | ||
| c-library.m4 | ||
| config.guess | ||
| config.sub | ||
| docbook.m4 | ||
| general.m4 | ||
| install-sh | ||
| libtool.m4 | ||
| Makefile | ||
| missing | ||
| perl.m4 | ||
| prep_buildtree | ||
| programs.m4 | ||
| python.m4 | ||
| tcl.m4 | ||
| test_quiet_include.h | ||