+
+ rm -f _compact.o _compact.cc
+
+ printf "Checking for Xapian FieldProcessor API... "
+ cat>_field_processor.cc<<EOF
+#include <xapian.h>
+class TitleFieldProcessor : public Xapian::FieldProcessor { };
+EOF
+ if ${CXX} ${CXXFLAGS_for_sh} ${xapian_cxxflags} -c _field_processor.cc -o _field_processor.o > /dev/null 2>&1
+ then
+ have_xapian_field_processor=1
+ printf "Yes.\n"
+ else
+ printf "No. (optional)\n"
+ fi
+
+ rm -f _field_processor.o _field_processor.cc
+
+ default_xapian_backend=""
+ # DB_RETRY_LOCK is only supported on Xapian > 1.3.2
+ have_xapian_db_retry_lock=0
+ if [ $WITH_RETRY_LOCK = "1" ]; then
+ printf "Checking for Xapian lock retry support... "
+ cat>_retry.cc<<EOF
+#include <xapian.h>
+int flag = Xapian::DB_RETRY_LOCK;
+EOF
+ if ${CXX} ${CXXFLAGS_for_sh} ${xapian_cxxflags} -c _retry.cc -o _retry.o > /dev/null 2>&1
+ then
+ have_xapian_db_retry_lock=1
+ printf "Yes.\n"
+ else
+ printf "No. (optional)\n"
+ fi
+ rm -f _retry.o _retry.cc
+ fi
+
+ printf "Testing default Xapian backend... "
+ cat >_default_backend.cc <<EOF
+#include <xapian.h>
+int main(int argc, char** argv) {
+ Xapian::WritableDatabase db("test.db",Xapian::DB_CREATE_OR_OPEN);
+}
+EOF
+ ${CXX} ${CXXFLAGS_for_sh} ${xapian_cxxflags} _default_backend.cc -o _default_backend ${xapian_ldflags}
+ ./_default_backend
+ if [ -f test.db/iamglass ]; then
+ default_xapian_backend=glass
+ else
+ default_xapian_backend=chert
+ fi
+ printf "%s\n" "${default_xapian_backend}";
+ rm -rf test.db _default_backend _default_backend.cc
+fi
+
+# we need to have a version >= 2.6.5 to avoid a crypto bug. We need
+# 2.6.7 for permissive "From " header handling.
+GMIME_MINVER=2.6.7
+
+printf "Checking for GMime development files... "
+if pkg-config --exists "gmime-2.6 >= $GMIME_MINVER"; then
+ printf "Yes.\n"
+ have_gmime=1
+ gmime_cflags=$(pkg-config --cflags gmime-2.6)
+ gmime_ldflags=$(pkg-config --libs gmime-2.6)
+else
+ have_gmime=0
+ printf "No.\n"
+ errors=$((errors + 1))
+fi
+
+# GMime already depends on Glib >= 2.12, but we use at least one Glib
+# function that only exists as of 2.22, (g_array_unref)
+printf "Checking for Glib development files (>= 2.22)... "
+have_glib=0
+if pkg-config --exists 'glib-2.0 >= 2.22'; then
+ printf "Yes.\n"
+ have_glib=1
+ # these are included in gmime cflags and ldflags
+ # glib_cflags=$(pkg-config --cflags glib-2.0)
+ # glib_ldflags=$(pkg-config --libs glib-2.0)
+else
+ printf "No.\n"
+ errors=$((errors + 1))
+fi
+
+if ! pkg-config --exists zlib; then
+ ${CC} ${zlib_cflags} -o compat/gen_zlib_pc \
+ "$srcdir"/compat/gen_zlib_pc.c ${zlib_ldflags} > /dev/null 2>&1 &&
+ compat/gen_zlib_pc > compat/zlib.pc &&
+ PKG_CONFIG_PATH="$PKG_CONFIG_PATH":compat &&
+ export PKG_CONFIG_PATH
+ rm -f compat/gen_zlib_pc
+fi
+
+printf "Checking for zlib (>= 1.2.5.2)... "
+have_zlib=0
+if pkg-config --atleast-version=1.2.5.2 zlib; then
+ printf "Yes.\n"
+ have_zlib=1
+ zlib_cflags=$(pkg-config --cflags zlib)
+ zlib_ldflags=$(pkg-config --libs zlib)
+else