From 8aef511877d460e4d7e75c978142f1ca3bd50451 Mon Sep 17 00:00:00 2001
From: Bill King <bill.king@nokia.com>
Date: Thu, 28 May 2009 11:12:26 +1000
Subject: Adds support for linking against iodbc on linux.

If unixodbc detection fails, try and link/detect iodbc libraries and link against them.

Reviewed-by: Lincoln Ramsay
---
 config.tests/unix/iodbc/iodbc.cpp    |  7 +++++++
 config.tests/unix/iodbc/iodbc.pro    |  4 ++++
 configure                            | 25 ++++++++++++++++++-------
 projects.pro                         |  1 +
 src/plugins/sqldrivers/odbc/odbc.pro |  8 +-------
 5 files changed, 31 insertions(+), 14 deletions(-)
 create mode 100644 config.tests/unix/iodbc/iodbc.cpp
 create mode 100644 config.tests/unix/iodbc/iodbc.pro

diff --git a/config.tests/unix/iodbc/iodbc.cpp b/config.tests/unix/iodbc/iodbc.cpp
new file mode 100644
index 0000000..6b64e12
--- /dev/null
+++ b/config.tests/unix/iodbc/iodbc.cpp
@@ -0,0 +1,7 @@
+#include <sql.h>
+#include <sqlext.h>
+
+int main(int, char **)
+{
+    return 0;
+}
diff --git a/config.tests/unix/iodbc/iodbc.pro b/config.tests/unix/iodbc/iodbc.pro
new file mode 100644
index 0000000..465a9a7
--- /dev/null
+++ b/config.tests/unix/iodbc/iodbc.pro
@@ -0,0 +1,4 @@
+SOURCES = iodbc.cpp
+CONFIG -= qt dylib
+mac:CONFIG -= app_bundle
+LIBS += -liodbc
diff --git a/configure b/configure
index 85ce3da..764840e 100755
--- a/configure
+++ b/configure
@@ -716,6 +716,7 @@ QT_LFLAGS_MYSQL=
 QT_LFLAGS_MYSQL_R=
 QT_CFLAGS_SQLITE=
 QT_LFLAGS_SQLITE=
+QT_LFLAGS_ODBC="-lodbc"
 
 # flags for libdbus-1
 QT_CFLAGS_DBUS=
@@ -4431,14 +4432,21 @@ for _SQLDR in $CFG_SQL_AVAILABLE; do
                         CFG_SQL_odbc=plugin
                     fi
                 else
-                    if [ "$CFG_SQL_odbc" != "auto" ] && [ "$CFG_CONFIGURE_EXIT_ON_ERROR" = "yes" ]; then
-                        echo "ODBC support cannot be enabled due to functionality tests!"
-                        echo " Turn on verbose messaging (-v) to $0 to see the final report."
-                        echo " If you believe this message is in error you may use the continue"
-                        echo " switch (-continue) to $0 to continue."
-                        exit 101
+                    if "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" config.tests/unix/iodbc "iODBC" $L_FLAGS $I_FLAGS $l_FLAGS $MAC_ARCHS_COMMANDLINE; then
+                        QT_LFLAGS_ODBC="-liodbc"
+                        if [ "$CFG_SQL_odbc" = "auto" ]; then
+                            CFG_SQL_odbc=plugin
+                        fi
                     else
-                        CFG_SQL_odbc=no
+                        if [ "$CFG_SQL_odbc" != "auto" ] && [ "$CFG_CONFIGURE_EXIT_ON_ERROR" = "yes" ]; then
+                            echo "ODBC support cannot be enabled due to functionality tests!"
+                            echo " Turn on verbose messaging (-v) to $0 to see the final report."
+                            echo " If you believe this message is in error you may use the continue"
+                            echo " switch (-continue) to $0 to continue."
+                            exit 101
+                        else
+                            CFG_SQL_odbc=no
+                        fi
                     fi
                 fi
             fi
@@ -6684,6 +6692,9 @@ fi
 if [ -n "$QT_LFLAGS_SQLITE" ]; then
     echo "QT_LFLAGS_SQLITE   = $QT_LFLAGS_SQLITE" >> "$CACHEFILE.tmp"
 fi
+if [ -n "$QT_LFLAGS_ODBC" ]; then
+    echo "QT_LFLAGS_ODBC   = $QT_LFLAGS_ODBC" >> "$CACHEFILE.tmp"
+fi
 
 if [ "$QT_EDITION" != "QT_EDITION_OPENSOURCE" ]; then
     echo "DEFINES *= QT_EDITION=QT_EDITION_DESKTOP" >> "$CACHEFILE.tmp"
diff --git a/projects.pro b/projects.pro
index 2596c0a..3817792 100644
--- a/projects.pro
+++ b/projects.pro
@@ -61,6 +61,7 @@ unix {
  	 		(cd config.tests/unix/mysql_r && $(MAKE) distclean); \
 			(cd config.tests/unix/nis && $(MAKE) distclean); \
 			(cd config.tests/unix/nix && $(MAKE) distclean); \
+			(cd config.tests/unix/iodbc && $(MAKE) distclean); \
 			(cd config.tests/unix/odbc && $(MAKE) distclean); \
 			(cd config.tests/unix/oci && $(MAKE) distclean); \
 			(cd config.tests/unix/tds && $(MAKE) distclean); \
diff --git a/src/plugins/sqldrivers/odbc/odbc.pro b/src/plugins/sqldrivers/odbc/odbc.pro
index 0835ce1..3de8ab2 100644
--- a/src/plugins/sqldrivers/odbc/odbc.pro
+++ b/src/plugins/sqldrivers/odbc/odbc.pro
@@ -4,15 +4,9 @@ HEADERS		= ../../../sql/drivers/odbc/qsql_odbc.h
 SOURCES		= main.cpp \
 		  ../../../sql/drivers/odbc/qsql_odbc.cpp
 
-mac {
-        !contains( LIBS, .*odbc.* ) {
-            LIBS        *= -liodbc
-        }
-}
-
 unix {
 	!contains( LIBS, .*odbc.* ) {
-	    LIBS 	*= -lodbc
+	    LIBS 	*= $$QT_LFLAGS_ODBC
 	}
 }
 
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