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Remove useless configure check

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The test for "decltype" as a variant of "typeof" apparently never
worked (see also commit 3582b223d49), so remove it.

Discussion: https://www.postgresql.org/message-id/flat/795b1c54-c64a-47f9-8fa3-880dcab59975%40eisentraut.org
This commit is contained in:
Peter Eisentraut 2025-01-05 11:30:48 +01:00
parent 6549a02a51
commit 9a8313dabe
3 changed files with 3 additions and 3 deletions
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2
config/c-compiler.m4
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@ -142,7 +142,7 @@ fi])# PGAC_C_STATIC_ASSERT
AC_DEFUN([PGAC_C_TYPEOF], AC_DEFUN([PGAC_C_TYPEOF],
[AC_CACHE_CHECK(for typeof, pgac_cv_c_typeof, [AC_CACHE_CHECK(for typeof, pgac_cv_c_typeof,
[pgac_cv_c_typeof=no [pgac_cv_c_typeof=no
for pgac_kw in typeof __typeof__ decltype; do for pgac_kw in typeof __typeof__; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[int x = 0; [int x = 0;
$pgac_kw(x) y; $pgac_kw(x) y;

2
configure vendored
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@ -14344,7 +14344,7 @@ if ${pgac_cv_c_typeof+:} false; then :
$as_echo_n "(cached) " >&6 $as_echo_n "(cached) " >&6
else else
pgac_cv_c_typeof=no pgac_cv_c_typeof=no
for pgac_kw in typeof __typeof__ decltype; do for pgac_kw in typeof __typeof__; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */ /* end confdefs.h. */

2
meson.build
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@ -2540,7 +2540,7 @@ endif
# Check if the C compiler understands typeof or a variant. Define # Check if the C compiler understands typeof or a variant. Define
# HAVE_TYPEOF if so, and define 'typeof' to the actual key word. # HAVE_TYPEOF if so, and define 'typeof' to the actual key word.
foreach kw : ['typeof', '__typeof__', 'decltype'] foreach kw : ['typeof', '__typeof__']
if cc.compiles(''' if cc.compiles('''
int main(void) int main(void)
{ {