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Fix erroneous dnl appended in configure (#14013)

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This is a backport of commit 03f15534a1 to
PHP-8.2 due to GH-14002 and fixes the PHP_CXX_COMPILE_STDCXX check in
ext/intl whether the specified C++ standard is mandatory or optional.

The `dnl` (Discard to Next Line) M4 macro in this combination of `m4_if`
macros and arguments isn't properly replaced and a literal `dnl` string
is appended in the configure script. The `[]dnl` works ok.
This commit is contained in:
Peter Kokot 2024-04-21 17:23:22 +02:00 committed by GitHub
parent 891e4a5a34
commit 7d3d8de1f3
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2 changed files with 3 additions and 2 deletions
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1
NEWS
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@ -11,6 +11,7 @@ PHP NEWS
other timeout implementations). (Kévin Dunglas)
. Fixed bug GH-14003 (Broken cleanup of unfinished calls with callable convert
parameters). (ilutov)
. Fixed bug GH-14013 (Erroneous dnl appended in configure). (Peter Kokot)
- Fibers:
. Fixed bug GH-13903 (ASAN false positive underflow when executing copy()).

4
build/php_cxx_compile_stdcxx.m4
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@ -27,11 +27,11 @@ AC_DEFUN([PHP_CXX_COMPILE_STDCXX], [dnl
[$1], [14], [ax_cxx_compile_alternatives="14 1y"],
[$1], [17], [ax_cxx_compile_alternatives="17 1z"],
[$1], [20], [ax_cxx_compile_alternatives="20"],
[m4_fatal([invalid first argument `$1' to PHP_CXX_COMPILE_STDCXX])])dnl
[m4_fatal([invalid first argument `$1' to PHP_CXX_COMPILE_STDCXX])])[]dnl
m4_if([$2], [], [ax_cxx_compile_cxx$1_required=true],
[$2], [mandatory], [ax_cxx_compile_cxx$1_required=true],
[$2], [optional], [ax_cxx_compile_cxx$1_required=false],
[m4_fatal([invalid third argument `$2' to PHP_CXX_COMPILE_STDCXX])])dnl
[m4_fatal([invalid third argument `$2' to PHP_CXX_COMPILE_STDCXX])])[]dnl
AC_LANG_PUSH([C++])dnl
ac_success=no