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Patch core for PCRE2 support
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RFC https://wiki.php.net/rfc/pcre2-migration
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@weltling
weltling committed Nov 13, 2017
1 parent fd463cf commit a5bc5ae
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Showing 186 changed files with 39,167 additions and 125,143 deletions.
1 change: 1 addition & 0 deletions .gitignore
View file
Expand Up @@ -225,3 +225,4 @@ ext/sqlite3/tests/phpsql*
!ext/fileinfo/libmagic.patch
!ext/mbstring/oniguruma.patch
!scripts/dev/generate-phpt/tests/*.php
!ext/pcre/pcre2lib/config.h
4 changes: 2 additions & 2 deletions ext/fileinfo/libmagic/funcs.c
View file
Expand Up @@ -471,11 +471,11 @@ file_replace(struct magic_set *ms, const char *pat, const char *rep)
pcre_cache_entry *pce;
zend_string *res;
zend_string *repl;
int rep_cnt = 0;
size_t rep_cnt = 0;

(void)setlocale(LC_CTYPE, "C");

opts |= PCRE_MULTILINE;
opts |= PCRE2_MULTILINE;
convert_libmagic_pattern(&patt, (char*)pat, strlen(pat), opts);
if ((pce = pcre_get_compiled_regex_cache(Z_STR(patt))) == NULL) {
zval_ptr_dtor(&patt);
Expand Down
22 changes: 13 additions & 9 deletions ext/fileinfo/libmagic/softmagic.c
View file
Expand Up @@ -412,20 +412,24 @@ match(struct magic_set *ms, struct magic *magic, uint32_t nmagic,
private int
check_fmt(struct magic_set *ms, struct magic *m)
{
pcre *pce;
int re_options, rv = -1;
pcre_extra *re_extra;
pcre2_code *pce;
uint32_t re_options, capture_count;
int rv = -1;
zend_string *pattern;

if (strchr(m->desc, '%') == NULL)
return 0;

(void)setlocale(LC_CTYPE, "C");
pattern = zend_string_init("~%[-0-9.]*s~", sizeof("~%[-0-9.]*s~") - 1, 0);
if ((pce = pcre_get_compiled_regex(pattern, &re_extra, &re_options)) == NULL) {
if ((pce = pcre_get_compiled_regex(pattern, &capture_count, &re_options)) == NULL) {
rv = -1;
} else {
rv = !pcre_exec(pce, re_extra, m->desc, strlen(m->desc), 0, re_options, NULL, 0);
pcre2_match_data *match_data = php_pcre_create_match_data(capture_count, pce);
if (match_data) {
rv = pcre2_match(pce, m->desc, strlen(m->desc), 0, re_options, match_data, php_pcre_mctx()) > 0;
php_pcre_free_match_data(match_data);
}
}
zend_string_release(pattern);
(void)setlocale(LC_CTYPE, "");
Expand Down Expand Up @@ -1725,10 +1729,10 @@ convert_libmagic_pattern(zval *pattern, char *val, int len, int options)
}
ZSTR_VAL(t)[j++] = '~';

if (options & PCRE_CASELESS)
if (options & PCRE2_CASELESS)
ZSTR_VAL(t)[j++] = 'i';

if (options & PCRE_MULTILINE)
if (options & PCRE2_MULTILINE)
ZSTR_VAL(t)[j++] = 'm';

ZSTR_VAL(t)[j]='\0';
Expand Down Expand Up @@ -1901,10 +1905,10 @@ magiccheck(struct magic_set *ms, struct magic *m)
int options = 0;
pcre_cache_entry *pce;

options |= PCRE_MULTILINE;
options |= PCRE2_MULTILINE;

if (m->str_flags & STRING_IGNORE_CASE) {
options |= PCRE_CASELESS;
options |= PCRE2_CASELESS;
}

convert_libmagic_pattern(&pattern, (char *)m->value.s, m->vallen, options);
Expand Down
40 changes: 24 additions & 16 deletions ext/filter/logical_filters.c
View file
Expand Up @@ -428,11 +428,10 @@ void php_filter_validate_regexp(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
zval *option_val;
zend_string *regexp;
int regexp_set;
pcre *re = NULL;
pcre_extra *pcre_extra = NULL;
int preg_options = 0;
int ovector[3];
int matches;
pcre2_code *re = NULL;
pcre2_match_data *match_data = NULL;
uint32_t preg_options, capture_count;
int rc;

/* Parse options */
FETCH_STR_OPTION(regexp, "regexp");
Expand All @@ -442,14 +441,19 @@ void php_filter_validate_regexp(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
RETURN_VALIDATION_FAILED
}

re = pcre_get_compiled_regex(regexp, &pcre_extra, &preg_options);
re = pcre_get_compiled_regex(regexp, &capture_count, &preg_options);
if (!re) {
RETURN_VALIDATION_FAILED
}
matches = pcre_exec(re, NULL, Z_STRVAL_P(value), (int)Z_STRLEN_P(value), 0, 0, ovector, 3);
match_data = php_pcre_create_match_data(capture_count, re);
if (!match_data) {
RETURN_VALIDATION_FAILED
}
rc = pcre2_match(re, Z_STRVAL_P(value), Z_STRLEN_P(value), 0, preg_options, match_data, php_pcre_mctx());
php_pcre_free_match_data(match_data);

/* 0 means that the vector is too small to hold all the captured substring offsets */
if (matches < 0) {
if (rc < 0) {
RETURN_VALIDATION_FAILED
}
}
Expand Down Expand Up @@ -599,12 +603,11 @@ void php_filter_validate_email(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
* Feel free to use and redistribute this code. But please keep this copyright notice.
*
*/
pcre *re = NULL;
pcre_extra *pcre_extra = NULL;
int preg_options = 0;
int ovector[150]; /* Needs to be a multiple of 3 */
int matches;
pcre2_code *re = NULL;
pcre2_match_data *match_data = NULL;
uint32_t preg_options = 0, capture_count;
zend_string *sregexp;
int rc;
const char regexp0[] = "/^(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E\\pL\\pN]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F\\pL\\pN]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E\\pL\\pN]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F\\pL\\pN]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iDu";
const char regexp1[] = "/^(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD";
const char *regexp;
Expand All @@ -624,16 +627,21 @@ void php_filter_validate_email(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
}

sregexp = zend_string_init(regexp, regexp_len, 0);
re = pcre_get_compiled_regex(sregexp, &pcre_extra, &preg_options);
re = pcre_get_compiled_regex(sregexp, &capture_count, &preg_options);
if (!re) {
zend_string_release(sregexp);
RETURN_VALIDATION_FAILED
}
zend_string_release(sregexp);
matches = pcre_exec(re, NULL, Z_STRVAL_P(value), (int)Z_STRLEN_P(value), 0, 0, ovector, 3);
match_data = php_pcre_create_match_data(capture_count, re);
if (!match_data) {
RETURN_VALIDATION_FAILED
}
rc = pcre2_match(re, Z_STRVAL_P(value), Z_STRLEN_P(value), 0, preg_options, match_data, php_pcre_mctx());
php_pcre_free_match_data(match_data);

/* 0 means that the vector is too small to hold all the captured substring offsets */
if (matches < 0) {
if (rc < 0) {
RETURN_VALIDATION_FAILED
}

Expand Down
24 changes: 18 additions & 6 deletions ext/opcache/zend_accelerator_blacklist.c
View file
Expand Up @@ -43,7 +43,7 @@
#define ZEND_BLACKLIST_BLOCK_SIZE 32

struct _zend_regexp_list {
pcre *re;
pcre2_code *re;
zend_regexp_list *next;
};

Expand Down Expand Up @@ -73,10 +73,12 @@ static void blacklist_report_regexp_error(const char *pcre_error, int pcre_error

static void zend_accel_blacklist_update_regexp(zend_blacklist *blacklist)
{
const char *pcre_error;
int i, pcre_error_offset;
PCRE2_UCHAR pcre_error[256];
int i, errnumber;
PCRE2_SIZE pcre_error_offset;
zend_regexp_list **regexp_list_it, *it;
char regexp[12*1024], *p, *end, *c, *backtrack = NULL;
pcre2_compile_context *cctx = php_pcre_cctx();

if (blacklist->pos == 0) {
/* we have no blacklist to talk about */
Expand Down Expand Up @@ -177,8 +179,9 @@ static void zend_accel_blacklist_update_regexp(zend_blacklist *blacklist)
}
it->next = NULL;

if ((it->re = pcre_compile(regexp, PCRE_NO_AUTO_CAPTURE, &pcre_error, &pcre_error_offset, 0)) == NULL) {
if ((it->re = pcre2_compile(regexp, PCRE2_ZERO_TERMINATED, PCRE2_NO_AUTO_CAPTURE, &errnumber, &pcre_error_offset, cctx)) == NULL) {
free(it);
pcre2_get_error_message(errnumber, pcre_error, sizeof(pcre_error));
blacklist_report_regexp_error(pcre_error, pcre_error_offset);
return;
}
Expand Down Expand Up @@ -207,7 +210,7 @@ void zend_accel_blacklist_shutdown(zend_blacklist *blacklist)
if (blacklist->regexp_list) {
zend_regexp_list *temp, *it = blacklist->regexp_list;
while (it) {
pcre_free(it->re);
pcre2_code_free(it->re);
temp = it;
it = it->next;
free(temp);
Expand Down Expand Up @@ -338,15 +341,24 @@ zend_bool zend_accel_blacklist_is_blacklisted(zend_blacklist *blacklist, char *v
{
int ret = 0;
zend_regexp_list *regexp_list_it = blacklist->regexp_list;
pcre2_match_context *mctx = php_pcre_mctx();

if (regexp_list_it == NULL) {
return 0;
}
while (regexp_list_it != NULL) {
if (pcre_exec(regexp_list_it->re, NULL, verify_path, strlen(verify_path), 0, 0, NULL, 0) >= 0) {
pcre2_match_data *match_data = php_pcre_create_match_data(0, regexp_list_it->re);
if (!match_data) {
/* Alloc failed, but next one could still come through and match. */
continue;
}
int rc = pcre2_match(regexp_list_it->re, verify_path, strlen(verify_path), 0, 0, match_data, mctx);
if (rc >= 0) {
ret = 1;
php_pcre_free_match_data(match_data);
break;
}
php_pcre_free_match_data(match_data);
regexp_list_it = regexp_list_it->next;
}
return ret;
Expand Down
8 changes: 5 additions & 3 deletions ext/pcre/config.w32
View file
Expand Up @@ -2,14 +2,16 @@
// vim:ft=javascript

EXTENSION("pcre", "php_pcre.c", false /* never shared */,
"-Iext/pcre/pcrelib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
ADD_SOURCES("ext/pcre/pcrelib", "pcre_chartables.c pcre_ucd.c pcre_compile.c pcre_config.c pcre_exec.c pcre_fullinfo.c pcre_get.c pcre_globals.c pcre_maketables.c pcre_newline.c pcre_ord2utf8.c pcre_refcount.c pcre_study.c pcre_tables.c pcre_valid_utf8.c pcre_version.c pcre_xclass.c pcre_jit_compile.c", "pcre");
"-Iext/pcre/pcre2lib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
ADD_SOURCES("ext/pcre/pcre2lib", "pcre2_auto_possess.c pcre2_chartables.c pcre2_compile.c pcre2_config.c pcre2_context.c pcre2_dfa_match.c pcre2_error.c pcre2_jit_compile.c pcre2_maketables.c pcre2_match.c pcre2_match_data.c pcre2_newline.c pcre2_ord2utf.c pcre2_pattern_info.c pcre2_serialize.c pcre2_string_utils.c pcre2_study.c pcre2_substitute.c pcre2_substring.c pcre2_tables.c pcre2_ucd.c pcre2_valid_utf.c pcre2_xclass.c pcre2_find_bracket.c pcre2_convert.c ", "pcre");
ADD_DEF_FILE("ext\\pcre\\php_pcre.def");

AC_DEFINE('HAVE_BUNDLED_PCRE', 1, 'Using bundled PCRE library');
AC_DEFINE('HAVE_PCRE', 1, 'Have PCRE library');
AC_DEFINE('PCRE2_CODE_UNIT_WIDTH', 8, 'Have PCRE library');
AC_DEFINE("PCRE2_STATIC", 1, "");
PHP_PCRE="yes";
PHP_INSTALL_HEADERS("ext/pcre", "php_pcre.h pcrelib/");
PHP_INSTALL_HEADERS("ext/pcre", "php_pcre.h pcre2lib/");
ADD_FLAG("CFLAGS_PCRE", " /D HAVE_CONFIG_H");

ARG_WITH("pcre-jit", "Enable PCRE JIT support", "yes");
Expand Down
43 changes: 22 additions & 21 deletions ext/pcre/config0.m4
View file
Expand Up @@ -14,66 +14,67 @@ PHP_ARG_WITH(pcre-jit,,[ --with-pcre-jit Enable PCRE JIT functionality
if test "$PHP_PCRE_REGEX" != "yes" && test "$PHP_PCRE_REGEX" != "no"; then
AC_MSG_CHECKING([for PCRE headers location])
for i in $PHP_PCRE_REGEX $PHP_PCRE_REGEX/include $PHP_PCRE_REGEX/include/pcre $PHP_PCRE_REGEX/local/include; do
test -f $i/pcre.h && PCRE_INCDIR=$i
test -f $i/pcre2.h && PCRE_INCDIR=$i
done

if test -z "$PCRE_INCDIR"; then
AC_MSG_ERROR([Could not find pcre.h in $PHP_PCRE_REGEX])
AC_MSG_ERROR([Could not find pcre2.h in $PHP_PCRE_REGEX])
fi
AC_MSG_RESULT([$PCRE_INCDIR])

AC_MSG_CHECKING([for PCRE library location])
for j in $PHP_PCRE_REGEX $PHP_PCRE_REGEX/$PHP_LIBDIR; do
test -f $j/libpcre.a || test -f $j/libpcre.$SHLIB_SUFFIX_NAME && PCRE_LIBDIR=$j
test -f $j/libpcre2.a || test -f $j/libpcre2.$SHLIB_SUFFIX_NAME && PCRE_LIBDIR=$j
done

if test -z "$PCRE_LIBDIR" ; then
AC_MSG_ERROR([Could not find libpcre.(a|$SHLIB_SUFFIX_NAME) in $PHP_PCRE_REGEX])
AC_MSG_ERROR([Could not find libpcre2.(a|$SHLIB_SUFFIX_NAME) in $PHP_PCRE_REGEX])
fi
AC_MSG_RESULT([$PCRE_LIBDIR])

changequote({,})
pcre_major=`grep PCRE_MAJOR $PCRE_INCDIR/pcre.h | sed -e 's/[^0-9]//g'`
pcre_minor=`grep PCRE_MINOR $PCRE_INCDIR/pcre.h | sed -e 's/[^0-9]//g'`
pcre_major=`grep PCRE2_MAJOR $PCRE_INCDIR/pcre2.h | sed -e 's/[^0-9]//g'`
pcre_minor=`grep PCRE2_MINOR $PCRE_INCDIR/pcre2.h | sed -e 's/[^0-9]//g'`
changequote([,])
pcre_minor_length=`echo "$pcre_minor" | wc -c | sed -e 's/[^0-9]//g'`
if test "$pcre_minor_length" -eq 2 ; then
pcre_minor="$pcre_minor"0
fi
pcre_version=$pcre_major$pcre_minor
if test "$pcre_version" -lt 660; then
AC_MSG_ERROR([The PCRE extension requires PCRE library version >= 6.6])
if test "$pcre_version" -lt 1030; then
AC_MSG_ERROR([The PCRE extension requires PCRE library version >= 10.30])
fi

PHP_CHECK_LIBRARY(pcre, pcre_jit_exec,
PHP_CHECK_LIBRARY(pcre2, pcre2_jit_exec,
[
AC_DEFINE(HAVE_PCRE_JIT_SUPPORT, 1, [ ])
],[
],[
-L$PCRE_LIBDIR
])
PHP_ADD_LIBRARY_WITH_PATH(pcre, $PCRE_LIBDIR)
PHP_ADD_LIBRARY_WITH_PATH(pcre2, $PCRE_LIBDIR)

AC_DEFINE(HAVE_PCRE, 1, [ ])
AC_DEFINE(PCRE2_CODE_UNIT_WIDTH, 8, [ ])
PHP_ADD_INCLUDE($PCRE_INCDIR)
PHP_NEW_EXTENSION(pcre, php_pcre.c, no,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
PHP_INSTALL_HEADERS([ext/pcre], [php_pcre.h])
else
AC_MSG_CHECKING([for PCRE library to use])
AC_MSG_RESULT([bundled])
pcrelib_sources="pcrelib/pcre_chartables.c pcrelib/pcre_ucd.c \
pcrelib/pcre_compile.c pcrelib/pcre_config.c pcrelib/pcre_exec.c \
pcrelib/pcre_fullinfo.c pcrelib/pcre_get.c pcrelib/pcre_globals.c \
pcrelib/pcre_maketables.c pcrelib/pcre_newline.c \
pcrelib/pcre_ord2utf8.c pcrelib/pcre_refcount.c pcrelib/pcre_study.c \
pcrelib/pcre_tables.c pcrelib/pcre_valid_utf8.c \
pcrelib/pcre_version.c pcrelib/pcre_xclass.c \
pcrelib/pcre_jit_compile.c"
PHP_PCRE_CFLAGS="-DHAVE_CONFIG_H -I@ext_srcdir@/pcrelib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1"
pcrelib_sources="pcre2lib/pcre2_auto_possess.c pcre2lib/pcre2_chartables.c pcre2lib/pcre2_compile.c \
pcre2lib/pcre2_config.c pcre2lib/pcre2_context.c pcre2lib/pcre2_dfa_match.c pcre2lib/pcre2_error.c \
pcre2lib/pcre2_jit_compile.c pcre2lib/pcre2_maketables.c pcre2lib/pcre2_match.c pcre2lib/pcre2_match_data.c \
pcre2lib/pcre2_newline.c pcre2lib/pcre2_ord2utf.c pcre2lib/pcre2_pattern_info.c pcre2lib/pcre2_serialize.c \
pcre2lib/pcre2_string_utils.c pcre2lib/pcre2_study.c pcre2lib/pcre2_substitute.c pcre2lib/pcre2_substring.c \
pcre2lib/pcre2_tables.c pcre2lib/pcre2_ucd.c pcre2lib/pcre2_valid_utf.c pcre2lib/pcre2_xclass.c \
pcre2lib/pcre2_find_bracket.c pcre2lib/pcre2_convert.c"
PHP_PCRE_CFLAGS="-DHAVE_CONFIG_H -I@ext_srcdir@/pcre2lib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1"
PHP_NEW_EXTENSION(pcre, $pcrelib_sources php_pcre.c, no,,$PHP_PCRE_CFLAGS)
PHP_ADD_BUILD_DIR($ext_builddir/pcrelib)
PHP_INSTALL_HEADERS([ext/pcre], [php_pcre.h pcrelib/])
PHP_ADD_BUILD_DIR($ext_builddir/pcre2lib)
PHP_INSTALL_HEADERS([ext/pcre], [php_pcre.h pcre2lib/])
AC_DEFINE(HAVE_BUNDLED_PCRE, 1, [ ])
AC_DEFINE(PCRE2_CODE_UNIT_WIDTH, 8, [ ])

if test "$PHP_PCRE_REGEX" != "no"; then
AC_MSG_CHECKING([whether to enable PCRE JIT functionality])
Expand Down

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