From bdcef51bcb367323f2eea4808f34a1b3e58bd3d8 Mon Sep 17 00:00:00 2001
From: Hugh McMaster <hugh.mcmaster@outlook.com>
Date: Fri, 7 Jun 2019 19:44:22 +1000
Subject: ext/standard: Use PKG_CHECK_MODULES to detect the Argon2 library

---
 ext/standard/config.m4 | 38 ++++++++++----------------------------
 1 file changed, 10 insertions(+), 28 deletions(-)

(limited to 'ext/standard/config.m4')

diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 891fca2ffa..20ff3d55c0 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -406,36 +406,18 @@ AC_CHECK_DECLS([arc4random_buf])
 dnl
 dnl Check for argon2
 dnl
-PHP_ARG_WITH([password-argon2],
-  [for Argon2 support],
-  [AS_HELP_STRING([[--with-password-argon2[=DIR]]],
-    [Include Argon2 support in password_*. DIR is the Argon2 shared library
-    path])])
-
-if test "$PHP_PASSWORD_ARGON2" != "no"; then
-  AC_MSG_CHECKING([for Argon2 library])
-  for i in $PHP_PASSWORD_ARGON2 /usr /usr/local ; do
-    if test -r $i/include/argon2.h; then
-      ARGON2_DIR=$i;
-      AC_MSG_RESULT(found in $i)
-      break
-    fi
-  done
-
-  if test -z "$ARGON2_DIR"; then
-    AC_MSG_RESULT([not found])
-    AC_MSG_ERROR([Please ensure the argon2 header and library are installed])
-  fi
+PHP_ARG_WITH([argon2],
+  [whether to build with Argon2 support],
+  [AS_HELP_STRING([--with-argon2],
+    [Build with Argon2 support])])
 
-  PHP_ADD_LIBRARY_WITH_PATH(argon2, $ARGON2_DIR/$PHP_LIBDIR)
-  PHP_ADD_INCLUDE($ARGON2_DIR/include)
+if test "$PHP_ARGON2" != "no"; then
+  PKG_CHECK_MODULES([ARGON2], [libargon2])
 
-  AC_CHECK_LIB(argon2, argon2id_hash_raw, [
-    LIBS="$LIBS -largon2"
-    AC_DEFINE(HAVE_ARGON2LIB, 1, [ Define to 1 if you have the <argon2.h> header file ])
-  ], [
-    AC_MSG_ERROR([Problem with libargon2.(a|so). Please verify that Argon2 header and libraries >= 20161029 are installed])
-  ])
+  PHP_EVAL_INCLINE($ARGON2_CFLAGS)
+  PHP_EVAL_LIBLINE($ARGON2_LIBS, ARGON2_SHARED_LIBADD)
+
+  AC_DEFINE(HAVE_ARGON2LIB, 1, [ ])
 fi
 
 dnl
-- 
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