Mostly cribbed from Chuck Lever's new-statd rewrite a few years ago...
This adds an autoconf test for the sqlite3 library and includes. If
they're not working properly and nfsdcld was enabled, then configure
will error out.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
aclocal/libsqlite3.m4 | 33 +++++++++++++++++++++++++++++++++
configure.ac | 7 +++++++
2 files changed, 40 insertions(+), 0 deletions(-)
create mode 100644 aclocal/libsqlite3.m4
diff --git a/aclocal/libsqlite3.m4 b/aclocal/libsqlite3.m4
new file mode 100644
index 0000000..73d1e46
--- /dev/null
+++ b/aclocal/libsqlite3.m4
@@ -0,0 +1,33 @@
+dnl Checks for matching sqlite3 header and library, and
+dnl sufficient sqlite3 version.
+dnl
+AC_DEFUN([AC_SQLITE3_VERS], [
+ AC_CHECK_HEADERS([sqlite3.h], ,)
+
+ dnl look for the library; do not add to LIBS if found
+ AC_CHECK_LIB([sqlite3], [sqlite3_libversion_number], [LIBSQLITE=-lsqlite3], ,)
+ AC_SUBST(LIBSQLITE)
+
+ AC_MSG_CHECKING(for suitable sqlite3 version)
+
+ AC_CACHE_VAL([libsqlite3_cv_is_recent],
+ [
+ saved_LIBS="$LIBS"
+ LIBS=-lsqlite3
+ AC_TRY_RUN([
+ #include <stdio.h>
+ #include <sqlite3.h>
+ int main()
+ {
+ int vers = sqlite3_libversion_number();
+
+ return vers != SQLITE_VERSION_NUMBER ||
+ vers < 3003000;
+ }
+ ], [libsqlite3_cv_is_recent=yes], [libsqlite3_cv_is_recent=no],
+ [libsqlite3_cv_is_recent=unknown])
+ LIBS="$saved_LIBS"])
+
+ AC_MSG_RESULT($libsqlite3_cv_is_recent)
+ AM_CONDITIONAL(CONFIG_SQLITE3, [test "$libsqlite3_cv_is_recent" = "yes"])
+])dnl
diff --git a/configure.ac b/configure.ac
index d50e54e..134b609 100644
--- a/configure.ac
+++ b/configure.ac
@@ -266,9 +266,16 @@ if test "$enable_nfsv4" = yes; then
dnl check for the keyutils libraries and headers
AC_KEYUTILS
+ dnl Check for sqlite3
+ AC_SQLITE3_VERS
+
if test "$enable_nfsdcld" = "yes"; then
AC_CHECK_HEADERS([linux/nfsd/cld.h], ,
AC_MSG_ERROR([Cannot find header needed for nfsdcld]))
+
+ if test "$libsqlite3_cv_is_recent" != "yes" ; then
+ AC_MSG_ERROR([nfsdcld requires sqlite3])
+ fi
fi
AM_CONDITIONAL(CONFIG_NFSDCLD, [test "$enable_nfsdcld" = "yes" ])
--
1.7.7.6
--
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