Fix FTBFS with libpqxx >= 6.x

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

4 files changed, 76 insertions, 3 deletions

diff --git a/kexi/kexidb/drivers/configure.in.in b/kexi/kexidb/drivers/configure.in.in
index 1f3e70f3e..c33c6fbca 100644
--- a/kexi/kexidb/drivers/configure.in.in
+++ b/kexi/kexidb/drivers/configure.in.in
@@ -241,4 +241,73 @@ if test "$compile_pgsql_plugin" = "yes"; then
   fi
 fi
 
+dnl ========================================
+dnl   libpqxx build flags
+dnl ========================================
+if test "$compile_pgsql_plugin" = "yes"; then
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  SAVED_CXXFLAGS="$CXXFLAGS"
+  for CXX_STD_TEST in "" 11 14 17; do
+    CXXFLAGS="$SAVED_CXXFLAGS"
+    if test "x$CXX_STD_TEST" = "x"; then
+      AC_MSG_CHECKING([PostgreSQL build with default C++ standard])
+    else
+      AC_MSG_CHECKING([PostgreSQL build with C++$CXX_STD_TEST])
+      CXXFLAGS=-std=c++$CXX_STD_TEST
+    fi
+    AC_TRY_COMPILE([
+        #include <$PQXX_INCDIR/pqxx/pqxx>
+      ],[ ],
+      pqxx_cxx_std=yes,
+      pqxx_cxx_std=no
+    )
+    if test "x$pqxx_cxx_std" = "xyes"; then
+      PQXX_CXXFLAGS=$CXXFLAGS
+      compile_pgsql_plugin="yes"
+      AC_SUBST(PQXX_CXXFLAGS)
+      AC_MSG_RESULT(yes)
+      break
+    else
+      compile_pgsql_plugin="no"
+      AC_MSG_RESULT(no)
+    fi
+  done
+  CXXFLAGS="$SAVED_CXXFLAGS"
+  AC_LANG_RESTORE
+fi
+
+dnl ========================================
+dnl   libpqxx field class name
+dnl ========================================
+if test "$compile_pgsql_plugin" = "yes"; then
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  SAVED_CXXFLAGS="$CXXFLAGS"
+
+  CXXFLAGS=$PQXX_CXXFLAGS
+  for PQXX_FIELD_CLASS in "pqxx::field" "pqxx::result::field"; do
+    AC_MSG_CHECKING([for PostgreSQL field class name - $PQXX_FIELD_CLASS])
+    AC_TRY_COMPILE([
+        #include <$PQXX_INCDIR/pqxx/pqxx>
+      ],[
+        sizeof($PQXX_FIELD_CLASS);
+      ],
+      pqxx_field_class=yes,
+      pqxx_field_class=no
+    )
+    if test "x$pqxx_field_class" = "xyes"; then
+      compile_pgsql_plugin="yes"
+      AC_DEFINE_UNQUOTED(PQXX_FIELD_CLASS, $PQXX_FIELD_CLASS, [ PQXX field class name ])
+      AC_MSG_RESULT(yes)
+      break
+    else
+      compile_pgsql_plugin="no"
+      AC_MSG_RESULT(no)
+    fi
+  done
+  CXXFLAGS="$SAVED_CXXFLAGS"
+  AC_LANG_RESTORE
+fi
+
 AM_CONDITIONAL(compile_pgsql_plugin, test "$compile_pgsql_plugin" = "yes")
diff --git a/kexi/kexidb/drivers/pqxx/Makefile.am b/kexi/kexidb/drivers/pqxx/Makefile.am
index 6f5d73e27..fe0c56337 100644
--- a/kexi/kexidb/drivers/pqxx/Makefile.am
+++ b/kexi/kexidb/drivers/pqxx/Makefile.am
@@ -4,6 +4,8 @@ kde_module_LTLIBRARIES = kexidb_pqxxsqldriver.la
 
 INCLUDES = -I$(srcdir)/../../.. $(all_includes) -I$(PG_INCDIR) -I$(PQXX_INCDIR)
 
+CXXFLAGS += $(PQXX_CXXFLAGS)
+
 kexidb_pqxxsqldriver_la_METASOURCES = AUTO
 
 kexidb_pqxxsqldriver_la_SOURCES = pqxxdriver.cpp pqxxcursor.cpp pqxxconnection.cpp \
diff --git a/kexi/kexidb/drivers/pqxx/pqxxcursor.cpp b/kexi/kexidb/drivers/pqxx/pqxxcursor.cpp
index 746a383ae..048d66859 100644
--- a/kexi/kexidb/drivers/pqxx/pqxxcursor.cpp
+++ b/kexi/kexidb/drivers/pqxx/pqxxcursor.cpp
@@ -34,7 +34,7 @@ using namespace KexiDB;
 
 unsigned int pqxxSqlCursor_trans_num=0; //!< debug helper
 
-static TQByteArray pgsqlByteaToByteArray(const pqxx::result::field& r)
+static TQByteArray pgsqlByteaToByteArray(const PQXX_FIELD_CLASS& r)
 {
 	return KexiDB::pgsqlByteaToByteArray(r.c_str(), r.size());
 }
@@ -243,7 +243,7 @@ TQVariant pqxxSqlCursor::pValue(uint pos)const
 		}
 		else if (f->typeGroup() == Field::BLOBGroup)
 		{
-//			pqxx::result::field r = (*m_res)[at()][pos];
+//			PQXX_FIELD_CLASS r = (*m_res)[at()][pos];
 //			kdDebug() << r.name() << ", " << r.c_str() << ", " << r.type() << ", " << r.size() << endl;
 			return ::pgsqlByteaToByteArray((*m_res)[at()][pos]);
 		}
diff --git a/kexi/kexidb/drivers/pqxx/pqxxcursor.h b/kexi/kexidb/drivers/pqxx/pqxxcursor.h
index 0a0fb2d52..8304ea2d6 100644
--- a/kexi/kexidb/drivers/pqxx/pqxxcursor.h
+++ b/kexi/kexidb/drivers/pqxx/pqxxcursor.h
@@ -20,6 +20,8 @@
 #ifndef KEXIDB_CURSOR_PQXX_H
 #define KEXIDB_CURSOR_PQXX_H
 
+#include "config.h"
+
 #include <kexidb/cursor.h>
 #include <kexidb/connection.h>
 #include <kexidb/utils.h>
@@ -74,7 +76,7 @@ private:
 	friend class pqxxSqlConnection;
 };
 
-inline TQVariant pgsqlCStrToVariant(const pqxx::result::field& r)
+inline TQVariant pgsqlCStrToVariant(const PQXX_FIELD_CLASS& r)
 {
 	switch(r.type())
 	{