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authorEelco Dolstra <eelco.dolstra@logicblox.com>2015-02-10T10·54+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2015-02-10T10·54+0100
commit1c972cba145dc95cb0930a83caf191f1ef722f8b (patch)
treeed57b226f29a2963bd6ff46cd1919c4e5c23a063 /configure.ac
parent5d9cd27dce30e1f221815f3f888203414e12a167 (diff)
Make libsodium an optional dependency
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac8
1 files changed, 6 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 00bffd8b4c27..be77975bd3ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -205,8 +205,12 @@ AC_CHECK_HEADERS([bzlib.h], [true],
 PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"])
 
 
-# Look for libsodium, a required dependency.
-PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
+# Look for libsodium, an optional dependency.
+PKG_CHECK_MODULES([SODIUM], [libsodium],
+  [AC_DEFINE([HAVE_SODIUM], [1], [Whether to use libsodium for cryptography.])
+   CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"
+   have_sodium=1], [have_sodium=])
+AC_SUBST(HAVE_SODIUM, [$have_sodium])
 
 
 # Whether to use the Boehm garbage collector.