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-rw-r--r--nix/libstore/build.cc15
-rw-r--r--nix/libstore/globals.cc4
-rw-r--r--nix/libstore/globals.hh7
-rw-r--r--nix/local.mk10
-rw-r--r--nix/nix-daemon/guix-daemon.cc2
5 files changed, 33 insertions, 5 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc
index 5bf3e3aacb..275d6a5f7c 100644
--- a/nix/libstore/build.cc
+++ b/nix/libstore/build.cc
@@ -32,7 +32,10 @@
 #include <grp.h>
 
 #include <zlib.h>
-#include <bzlib.h>
+
+#if HAVE_BZLIB_H
+# include <bzlib.h>
+#endif
 
 /* Includes required for chroot support. */
 #if HAVE_SYS_PARAM_H
@@ -746,7 +749,9 @@ private:
     /* File descriptor for the log file. */
     FILE * fLogFile;
     gzFile   gzLogFile;
+#if HAVE_BZLIB_H
     BZFILE * bzLogFile;
+#endif
     AutoCloseFD fdLogFile;
 
     /* Number of bytes received from the builder's stdout/stderr. */
@@ -895,7 +900,9 @@ DerivationGoal::DerivationGoal(const Path & drvPath, const StringSet & wantedOut
     , retrySubstitution(false)
     , fLogFile(0)
     , gzLogFile(0)
+#if HAVE_BZLIB_H
     , bzLogFile(0)
+#endif
     , useChroot(false)
     , buildMode(buildMode)
 {
@@ -2620,6 +2627,7 @@ Path DerivationGoal::openLogFile()
         return logFileName;
       }
 
+#if HAVE_BZLIB_H
       case COMPRESSION_BZIP2: {
         Path logFileName = (format("%1%/%2%.bz2") % dir % string(baseName, 2)).str();
         AutoCloseFD fd = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
@@ -2635,6 +2643,7 @@ Path DerivationGoal::openLogFile()
 
         return logFileName;
       }
+#endif
 
       case COMPRESSION_NONE: {
         Path logFileName = (format("%1%/%2%") % dir % string(baseName, 2)).str();
@@ -2657,12 +2666,14 @@ void DerivationGoal::closeLogFile()
 	gzLogFile = NULL;
 	if (err != Z_OK) throw Error(format("cannot close compressed log file (gzip error = %1%)") % err);
     }
+#if HAVE_BZLIB_H
     else if (bzLogFile) {
         int err;
         BZ2_bzWriteClose(&err, bzLogFile, 0, 0, 0);
         bzLogFile = 0;
         if (err != BZ_OK) throw Error(format("cannot close compressed log file (BZip2 error = %1%)") % err);
     }
+#endif
 
     if (fLogFile) {
         fclose(fLogFile);
@@ -2732,10 +2743,12 @@ void DerivationGoal::handleChildOutput(int fd, const string & data)
 		count = gzwrite(gzLogFile, data.data(), data.size());
 		if (count == 0) throw Error(format("cannot write to compressed log file (gzip error = %1%)") % gzerror(gzLogFile, &err));
 	    }
+#if HAVE_BZLIB_H
 	} else if (bzLogFile) {
             int err;
             BZ2_bzWrite(&err, bzLogFile, (unsigned char *) data.data(), data.size());
             if (err != BZ_OK) throw Error(format("cannot write to compressed log file (BZip2 error = %1%)") % err);
+#endif
         } else if (fdLogFile != -1)
             writeFull(fdLogFile, data);
     }
diff --git a/nix/libstore/globals.cc b/nix/libstore/globals.cc
index 82d528dc98..4ab6c3a0f9 100644
--- a/nix/libstore/globals.cc
+++ b/nix/libstore/globals.cc
@@ -45,7 +45,11 @@ Settings::Settings()
     useSshSubstituter = false;
     impersonateLinux26 = false;
     keepLog = true;
+#if HAVE_BZLIB_H
     logCompression = COMPRESSION_BZIP2;
+#else
+    logCompression = COMPRESSION_GZIP;
+#endif
     maxLogSize = 0;
     cacheFailure = false;
     pollInterval = 5;
diff --git a/nix/libstore/globals.hh b/nix/libstore/globals.hh
index 81cf2f52d4..2439936959 100644
--- a/nix/libstore/globals.hh
+++ b/nix/libstore/globals.hh
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "config.h"
 #include "types.hh"
 
 #include <map>
@@ -11,8 +12,10 @@ namespace nix {
 enum CompressionType
 {
     COMPRESSION_NONE = 0,
-    COMPRESSION_GZIP = 1,
-    COMPRESSION_BZIP2 = 2
+    COMPRESSION_GZIP = 1
+#if HAVE_BZLIB_H
+    , COMPRESSION_BZIP2 = 2
+#endif
 };
 
 struct Settings {
diff --git a/nix/local.mk b/nix/local.mk
index d802da6170..4452301c63 100644
--- a/nix/local.mk
+++ b/nix/local.mk
@@ -132,7 +132,7 @@ guix_daemon_CPPFLAGS =				\
   -I$(top_srcdir)/%D%/libstore
 
 guix_daemon_LDADD =				\
-  libstore.a libutil.a libformat.a -lz -lbz2	\
+  libstore.a libutil.a libformat.a -lz		\
   $(SQLITE3_LIBS) $(LIBGCRYPT_LIBS)
 
 guix_daemon_headers =				\
@@ -149,9 +149,15 @@ guix_register_CPPFLAGS =			\
 
 # XXX: Should we start using shared libs?
 guix_register_LDADD =				\
-  libstore.a libutil.a libformat.a -lz -lbz2	\
+  libstore.a libutil.a libformat.a -lz		\
   $(SQLITE3_LIBS) $(LIBGCRYPT_LIBS)
 
+if HAVE_LIBBZ2
+
+guix_daemon_LDADD += -lbz2
+guix_register_LDADD += -lbz2
+
+endif HAVE_LIBBZ2
 
 noinst_HEADERS =						\
   $(libformat_headers) $(libutil_headers) $(libstore_headers)	\
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc
index a1ef90dfdc..b71b100f6c 100644
--- a/nix/nix-daemon/guix-daemon.cc
+++ b/nix/nix-daemon/guix-daemon.cc
@@ -206,8 +206,10 @@ parse_opt (int key, char *arg, struct argp_state *state)
 	settings.logCompression = COMPRESSION_NONE;
       else if (strcmp (arg, "gzip") == 0)
 	settings.logCompression = COMPRESSION_GZIP;
+#if HAVE_BZLIB_H
       else if (strcmp (arg, "bzip2") == 0)
 	settings.logCompression = COMPRESSION_BZIP2;
+#endif
       else
 	{
 	  fprintf (stderr, _("error: %s: unknown compression type\n"), arg);