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-rw-r--r--configure.ac17
1 files changed, 12 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac
index e5038d0..30f7a6a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,13 +143,20 @@ fi
##### search for dependencies #####
-AS_IF([test "x$with_bzip2" != "xno"], [
- PKG_CHECK_MODULES(BZIP2, [bzip2], [with_bzip2="yes"],
- [AS_IF([test "x$with_bzip2" != "xcheck"],
- [AC_MSG_ERROR([cannot Bzip2 libs])],
- [with_bzip2="no"])])
+AC_ARG_VAR([BZIP2_CFLAGS], [C compiler flags for lib bzip2])
+AC_ARG_VAR([BZIP2_LIBS], [linker flags for lib bzip2])
+
+AS_IF([test -z "$BZIP2_LIBS" -a "x$with_bzip2" != "xno"], [
+ AC_CHECK_LIB([bz2], [BZ2_bzCompress],
+ [AC_CHECK_HEADERS([bzlib.h], [BZIP2_LIBS="-lbz2"], [])],
+ [])
], [])
+AS_IF([test -z "$BZIP2_LIBS"], [AS_IF([test "x$with_bzip2" = "xyes"],
+ [AC_MSG_ERROR([cannot find Bzip2 libs])],
+ [with_bzip2="no"])],
+ [with_bzip2="yes"])
+
AS_IF([test "x$with_gzip" != "xno" -a "x$with_builtin_zlib" != "xyes"], [
PKG_CHECK_MODULES(ZLIB, [zlib], [with_gzip="yes"],
[AS_IF([test "x$with_gzip" != "xcheck"],