From: Luca Heltai <luca.heltai@sissa.it>
Date: Fri, 17 Jan 2020 22:26:12 +0000 (+0100)
Subject: Fix compilation when zlib is not available.
X-Git-Tag: v9.2.0-rc1~637^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F9371%2Fhead;p=dealii.git

Fix compilation when zlib is not available.
---

diff --git a/include/deal.II/base/utilities.h b/include/deal.II/base/utilities.h
index 18e267d901..bb75635629 100644
--- a/include/deal.II/base/utilities.h
+++ b/include/deal.II/base/utilities.h
@@ -145,16 +145,13 @@ namespace Utilities
    * is identical to the input string.
    *
    * @param[in] input The string to compress
-   * @param[in] compression_level The compression level at which we compress
    *
    * @return A compressed version of the input string
    *
    * @authors Luca Heltai, Nicola Giuliani, 2020
    */
   std::string
-  compress(
-    const std::string &input,
-    const int compression_level = boost::iostreams::gzip::default_compression);
+  compress(const std::string &input);
 
   /**
    * If the library is configured with ZLIB, then this function assumes that the
diff --git a/source/base/utilities.cc b/source/base/utilities.cc
index f38c36d5a3..af0f9120c6 100644
--- a/source/base/utilities.cc
+++ b/source/base/utilities.cc
@@ -381,7 +381,7 @@ namespace Utilities
 
 
   std::string
-  compress(const std::string &input, const int compression_level)
+  compress(const std::string &input)
   {
 #ifdef DEAL_II_WITH_ZLIB
     namespace bio = boost::iostreams;
@@ -390,7 +390,8 @@ namespace Utilities
     std::stringstream origin(input);
 
     bio::filtering_streambuf<bio::input> out;
-    out.push(bio::gzip_compressor(bio::gzip_params(compression_level)));
+    out.push(bio::gzip_compressor(
+      bio::gzip_params(boost::iostreams::gzip::default_compression)));
     out.push(origin);
     bio::copy(out, compressed);