Autotools: Remove redundant double quotes (#15634)

Author: petk

build/php.m4

@@ -1049,7 +1049,7 @@ AC_DEFUN([_PHP_CHECK_SIZEOF], [
     LIBS=
     old_LDFLAGS=$LDFLAGS
     LDFLAGS=
-    AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
+    AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <inttypes.h>
@@ -1065,7 +1065,7 @@ int main(void)
   fprintf(fp, "%d\n", sizeof($1));
   return(0);
 }
-  ]])], [
+  ])], [
     eval $php_cache_value=`cat conftestval`
   ], [
     eval $php_cache_value=0
@@ -1151,7 +1151,7 @@ dnl
 dnl Internal.
 dnl
 AC_DEFUN([PHP_DOES_PWRITE_WORK],[
-  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -1168,8 +1168,7 @@ $1
     if (pwrite(fd, "text", 4, -1) != -1 || errno != EINVAL) return 1;
     return 0;
     }
-
-  ]])],[
+  ])],[
     ac_cv_pwrite=yes
   ],[
     ac_cv_pwrite=no
@@ -1543,14 +1542,14 @@ dnl
 AC_DEFUN([PHP_TEST_BUILD], [
   old_LIBS=$LIBS
   LIBS="$4 $LIBS"
-  AC_LINK_IFELSE([AC_LANG_SOURCE([[
+  AC_LINK_IFELSE([AC_LANG_SOURCE([
     $5
     char $1(void);
     int main(void) {
       $1();
       return 0;
     }
-  ]])],[
+  ])],[
     LIBS=$old_LIBS
     $2
   ],[

ext/hash/config.m4

@@ -1,6 +1,6 @@
 PHP_ARG_WITH([mhash],
   [for mhash support],
-  [AS_HELP_STRING([[--with-mhash]],
+  [AS_HELP_STRING([--with-mhash],
     [Include mhash support])])
 
 AS_VAR_IF([PHP_MHASH], [no],, [

ext/iconv/config.m4

@@ -84,7 +84,7 @@ int main(void) {
     [AC_MSG_FAILURE([The iconv check failed, 'errno' is missing.])])
 
   AC_CACHE_CHECK([if iconv supports //IGNORE], [php_cv_iconv_ignore],
-    [AC_RUN_IFELSE([AC_LANG_SOURCE([[
+    [AC_RUN_IFELSE([AC_LANG_SOURCE([
 #include <iconv.h>
 #include <stdlib.h>
 
@@ -103,7 +103,7 @@ int main(void) {
   }
   return 0;
 }
-    ]])],
+    ])],
     [php_cv_iconv_ignore=yes],
     [php_cv_iconv_ignore=no],
     [php_cv_iconv_ignore=no])])

ext/mysqli/config.m4

@@ -26,7 +26,7 @@ AC_DEFUN([PHP_MYSQL_SOCKET_SEARCH], [
 
 PHP_ARG_WITH([mysqli],
   [for MySQLi support],
-  [AS_HELP_STRING([[--with-mysqli]],
+  [AS_HELP_STRING([--with-mysqli],
     [Include MySQLi support. The MySQL native driver will be used])])
 
 dnl ext/pdo_mysql/config.m4 also depends on this configure option.

ext/standard/config.m4

@@ -345,7 +345,7 @@ dnl Check for argon2
 dnl
 PHP_ARG_WITH([password-argon2],
   [for Argon2 support],
-  [AS_HELP_STRING([[--with-password-argon2]],
+  [AS_HELP_STRING([--with-password-argon2],
     [Include Argon2 support in password_*])])
 
 AS_VAR_IF([PHP_PASSWORD_ARGON2], [no],, [