From 2929accc55672ccac9033c6946b7eef44d99cf05 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Tue, 28 Feb 2012 22:12:16 +0100
Subject: [PATCH] gfortran testsuite: implicitly cleanup-modules

gcc/ChangeLog:
2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
	documentation.

gcc/testsuite/ChangeLog:

2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* gfortran.fortran-torture/compile/compile.exp: Simplify.
	* gfortran.fortran-torture/execute/execute.exp: Likewise.
	* lib/gcc-dg.exp (cleanup-modules): Move to ..
	* lib/fortran-modules.exp: .. this new file. Adjust users.
	* lib/gfortran-dg.exp (gfortran-dg-runtest,
	gfortran-dg-debug-runtest): Call cleanup-modules.
	* lib/fortran-torture.exp (fortran-torture-execute,
	fortran-torture): Likewise.
	* gfortran.dg/coarray/caf.exp: Likewise.
	* lib/lto.exp: Likewise.
	* gfortran.dg/class_4a.f03: Adjust cleanup-modules and keep-modules.
	* gfortran.dg/class_4b.f03: Likewise.
	* gfortran.dg/class_4c.f03: Likewise.
	* gfortran.dg/class_45a.f03: Likewise.
	* gfortran.dg/binding_label_tests_10.f03: Likewise.
	* gfortran.dg/binding_label_tests_10_main.f03: Likewise.
	* gfortran.dg/binding_label_tests_11.f03: Likewise.
	* gfortran.dg/binding_label_tests_11_main.f03: Likewise.
	* gfortran.dg/binding_label_tests_13.f03: Likewise.
	* gfortran.dg/binding_label_tests_13_main.f03: Likewise.
	* gfortran.dg/test_common_binding_labels_2.f03: Likewise.
	* gfortran.dg/test_common_binding_labels_2_main.f03: Likewise.
	* gfortran.dg/test_common_binding_labels_3.f03: Likewise.
	* gfortran.dg/test_common_binding_labels_3_main.f03: Likewise.
	* gfortran.dg/whole_file_28.f90: Likewise.
	* gfortran.dg/whole_file_29.f90: Likewise.
	* gfortran.dg/whole_file_30.f90: Likewise.
	* gfortran.dg/whole_file_31.f90: Likewise.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
 gcc/doc/sourcebuild.texi                           |   35 +++++++-
 .../gfortran.dg/binding_label_tests_10.f03         |    3 +-
 .../gfortran.dg/binding_label_tests_10_main.f03    |    3 +-
 .../gfortran.dg/binding_label_tests_11.f03         |    3 +-
 .../gfortran.dg/binding_label_tests_11_main.f03    |    3 +-
 .../gfortran.dg/binding_label_tests_13.f03         |    1 +
 .../gfortran.dg/binding_label_tests_13_main.f03    |    3 +-
 gcc/testsuite/gfortran.dg/class_45a.f03            |    1 +
 gcc/testsuite/gfortran.dg/class_4a.f03             |    1 +
 gcc/testsuite/gfortran.dg/class_4b.f03             |    1 +
 gcc/testsuite/gfortran.dg/class_4c.f03             |    3 +-
 gcc/testsuite/gfortran.dg/coarray/caf.exp          |    3 +
 .../gfortran.dg/test_common_binding_labels_2.f03   |    2 +-
 .../test_common_binding_labels_2_main.f03          |    3 +-
 .../gfortran.dg/test_common_binding_labels_3.f03   |    1 +
 .../test_common_binding_labels_3_main.f03          |    3 +-
 gcc/testsuite/gfortran.dg/whole_file_28.f90        |    1 +
 gcc/testsuite/gfortran.dg/whole_file_29.f90        |    2 +-
 gcc/testsuite/gfortran.dg/whole_file_30.f90        |    1 +
 gcc/testsuite/gfortran.dg/whole_file_31.f90        |    2 +-
 .../gfortran.fortran-torture/compile/compile.exp   |   65 +-------------
 .../gfortran.fortran-torture/execute/execute.exp   |   65 +-------------
 gcc/testsuite/lib/fortran-modules.exp              |   98 ++++++++++++++++++++
 gcc/testsuite/lib/fortran-torture.exp              |    7 +-
 gcc/testsuite/lib/gcc-dg.exp                       |    8 +--
 gcc/testsuite/lib/gfortran-dg.exp                  |    4 +
 gcc/testsuite/lib/lto.exp                          |    9 ++-
 27 files changed, 173 insertions(+), 158 deletions(-)
 create mode 100644 gcc/testsuite/lib/fortran-modules.exp

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index ea6fedb..fc6f3e6 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2107,8 +2107,39 @@ Removes coverage data files generated for this test.
 @item cleanup-ipa-dump @var{suffix}
 Removes IPA dump files generated for this test.
 
-@item cleanup-modules
-Removes Fortran module files generated for this test.
+@item cleanup-modules "@var{list-of-extra-modules}"
+Removes Fortran module files generated for this test, excluding the
+module names listed in keep-modules.
+Cleaning up module files is usually done automatically by the testsuite
+by looking at the source files and removing the modules after the test
+has been executed.
+@smallexample
+module MoD1
+end module MoD1
+module Mod2
+end module Mod2
+module moD3
+end module moD3
+module mod4
+end module mod4
+! @{ dg-final @{ cleanup-modules "mod1 mod2" @} @} ! redundant
+! @{ dg-final @{ keep-modules "mod3 mod4" @} @}
+@end smallexample
+
+@item keep-modules "@var{list-of-modules-not-to-delete}"
+Whitespace separated list of module names that should not be deleted by
+cleanup-modules.
+If the list of modules is empty, all modules defined in this file are kept.
+@smallexample
+module maybe_unneeded
+end module maybe_unneeded
+module keep1
+end module keep1
+module keep2
+end module keep2
+! @{ dg-final @{ keep-modules "keep1 keep2" @} @} ! just keep these two
+! @{ dg-final @{ keep-modules "" @} @} ! keep all
+@end smallexample
 
 @item cleanup-profile-file
 Removes profiling files generated for this test.
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_10.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_10.f03
index 99c9c52..e609d34 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_10.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_10.f03
@@ -6,5 +6,4 @@ module binding_label_tests_10
   implicit none
   integer(c_int), bind(c,name="c_one") :: one
 end module binding_label_tests_10
-
-! Do not use dg-final to cleanup-modules
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_10_main.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_10_main.f03
index aa24a6a..48e8e5d 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_10_main.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_10_main.f03
@@ -11,5 +11,4 @@ program main
   use binding_label_tests_10 ! { dg-error "collides" }
   use binding_label_tests_10_main
 end program main
-
-! { dg-final { cleanup-modules "binding_label_tests_10_main binding_label_tests_10" } }
+! { dg-final { cleanup-modules "binding_label_tests_10" } }
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_11.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_11.f03
index 5e889a7..8dcf998 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_11.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_11.f03
@@ -10,5 +10,4 @@ contains
     one = 1
   end function one
 end module binding_label_tests_11
-
-! Do not use dg-final to cleanup-modules
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_11_main.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_11_main.f03
index 53eac7c..ef7cfce 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_11_main.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_11_main.f03
@@ -15,5 +15,4 @@ program main
   use binding_label_tests_11 ! { dg-error "collides" }
   use binding_label_tests_11_main
 end program main
-
-! { dg-final { cleanup-modules "binding_label_tests_11_main binding_label_tests_11" } }
+! { dg-final { cleanup-modules "binding_label_tests_11" } }
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_13.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_13.f03
index 786945d..a8e3179 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_13.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_13.f03
@@ -6,3 +6,4 @@ module binding_label_tests_13
   integer(c_int) :: c3
   bind(c) c3
 end module binding_label_tests_13
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/binding_label_tests_13_main.f03 b/gcc/testsuite/gfortran.dg/binding_label_tests_13_main.f03
index 1addc9c..355f11a 100644
--- a/gcc/testsuite/gfortran.dg/binding_label_tests_13_main.f03
+++ b/gcc/testsuite/gfortran.dg/binding_label_tests_13_main.f03
@@ -12,5 +12,4 @@ contains
     use binding_label_tests_13 ! { dg-error "collides" }
   end subroutine c_sub
 end module binding_label_tests_13_main
-! { dg-final { cleanup-modules "binding_label_tests_13 binding_label_tests_13_main" } }
-
+! { dg-final { cleanup-modules "binding_label_tests_13" } }
diff --git a/gcc/testsuite/gfortran.dg/class_45a.f03 b/gcc/testsuite/gfortran.dg/class_45a.f03
index 91f11c4..c3c9ac2 100644
--- a/gcc/testsuite/gfortran.dg/class_45a.f03
+++ b/gcc/testsuite/gfortran.dg/class_45a.f03
@@ -26,3 +26,4 @@ contains
   end function basicGet
 
 end module G_Nodes
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/class_4a.f03 b/gcc/testsuite/gfortran.dg/class_4a.f03
index 3cf0b7a..9441cc7 100644
--- a/gcc/testsuite/gfortran.dg/class_4a.f03
+++ b/gcc/testsuite/gfortran.dg/class_4a.f03
@@ -12,3 +12,4 @@ module m
   type t
   end type t
 end module m
+! { dg-final { keep-modules "m" } }
diff --git a/gcc/testsuite/gfortran.dg/class_4b.f03 b/gcc/testsuite/gfortran.dg/class_4b.f03
index 4658b8c..a5d914a 100644
--- a/gcc/testsuite/gfortran.dg/class_4b.f03
+++ b/gcc/testsuite/gfortran.dg/class_4b.f03
@@ -13,3 +13,4 @@ module m2
   type, extends(t) :: t2
   end type t2
 end module m2
+! { dg-final { keep-modules "m2" } }
diff --git a/gcc/testsuite/gfortran.dg/class_4c.f03 b/gcc/testsuite/gfortran.dg/class_4c.f03
index c28a32b..088acae 100644
--- a/gcc/testsuite/gfortran.dg/class_4c.f03
+++ b/gcc/testsuite/gfortran.dg/class_4c.f03
@@ -27,5 +27,4 @@
   end select
   print *, i
 end
-
-! { dg-final { cleanup-modules "m m2 m3" } }
+! { dg-final { cleanup-modules "m m2" } }
diff --git a/gcc/testsuite/gfortran.dg/coarray/caf.exp b/gcc/testsuite/gfortran.dg/coarray/caf.exp
index c7e46f6..52dff75 100644
--- a/gcc/testsuite/gfortran.dg/coarray/caf.exp
+++ b/gcc/testsuite/gfortran.dg/coarray/caf.exp
@@ -61,15 +61,18 @@ foreach test [lsort [glob -nocomplain $srcdir/$subdir/*.\[fF\]{,90,95,03,08} ]]
     set option_list [list { -O2 } ]
 
     set nshort [file tail [file dirname $test]]/[file tail $test]
+    list-module-names $test
 
     foreach flags $option_list {
 	verbose "Testing $nshort (single), $flags" 1
 	dg-test $test "-fcoarray=single $flags" "" 
+	cleanup-modules ""
     }
 
     foreach flags $option_list {
 	verbose "Testing $nshort (libcaf_single), $flags" 1
 	dg-test $test "-fcoarray=lib $flags -lcaf_single" ""
+	cleanup-modules ""
     }
 }
 torture-finish
diff --git a/gcc/testsuite/gfortran.dg/test_common_binding_labels_2.f03 b/gcc/testsuite/gfortran.dg/test_common_binding_labels_2.f03
index d14c9b1..ad654b3 100644
--- a/gcc/testsuite/gfortran.dg/test_common_binding_labels_2.f03
+++ b/gcc/testsuite/gfortran.dg/test_common_binding_labels_2.f03
@@ -12,4 +12,4 @@ module test_common_binding_labels_2
   integer(c_int) :: i
   bind(c, name="") /com2/
 end module test_common_binding_labels_2
-
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/test_common_binding_labels_2_main.f03 b/gcc/testsuite/gfortran.dg/test_common_binding_labels_2_main.f03
index 1b4103e..eeb981e 100644
--- a/gcc/testsuite/gfortran.dg/test_common_binding_labels_2_main.f03
+++ b/gcc/testsuite/gfortran.dg/test_common_binding_labels_2_main.f03
@@ -21,5 +21,4 @@ program main
   use test_common_binding_labels_2 ! { dg-error "does not match" }
   use test_common_binding_labels_2_main
 end program main
-
-! { dg-final { cleanup-modules "test_common_binding_labels_2_main test_common_binding_labels_2" } }
+! { dg-final { cleanup-modules "test_common_binding_labels_2" } }
diff --git a/gcc/testsuite/gfortran.dg/test_common_binding_labels_3.f03 b/gcc/testsuite/gfortran.dg/test_common_binding_labels_3.f03
index 87d6c6b..d851b5e 100644
--- a/gcc/testsuite/gfortran.dg/test_common_binding_labels_3.f03
+++ b/gcc/testsuite/gfortran.dg/test_common_binding_labels_3.f03
@@ -8,3 +8,4 @@ module test_common_binding_labels_3
   real(c_double) :: s
   bind(c, name="my_common_block") :: /mycom/
 end module test_common_binding_labels_3
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/test_common_binding_labels_3_main.f03 b/gcc/testsuite/gfortran.dg/test_common_binding_labels_3_main.f03
index d2c67f6..91fcff1 100644
--- a/gcc/testsuite/gfortran.dg/test_common_binding_labels_3_main.f03
+++ b/gcc/testsuite/gfortran.dg/test_common_binding_labels_3_main.f03
@@ -10,5 +10,4 @@ program main
   use test_common_binding_labels_3_main
   use test_common_binding_labels_3 ! { dg-error "collides" }
 end program main
-
-! { dg-final { cleanup-modules "test_common_binding_labels_3_main test_common_binding_labels_3" } }
+! { dg-final { cleanup-modules "test_common_binding_labels_3" } }
diff --git a/gcc/testsuite/gfortran.dg/whole_file_28.f90 b/gcc/testsuite/gfortran.dg/whole_file_28.f90
index 78c848e..ec9efb2 100644
--- a/gcc/testsuite/gfortran.dg/whole_file_28.f90
+++ b/gcc/testsuite/gfortran.dg/whole_file_28.f90
@@ -10,3 +10,4 @@ module iso_red
   end type varying_string
 end module iso_red
 ! DO NOT CLEAN UP THE MODULE FILE - whole_file_29.f90 does it.
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/whole_file_29.f90 b/gcc/testsuite/gfortran.dg/whole_file_29.f90
index 2521dad..703754c 100644
--- a/gcc/testsuite/gfortran.dg/whole_file_29.f90
+++ b/gcc/testsuite/gfortran.dg/whole_file_29.f90
@@ -24,4 +24,4 @@ contains
   end subroutine syntax_init_from_ifile
 end module syntax_rules
 end
-! { dg-final { cleanup-modules "syntax_rules ifiles iso_red" } }
+! { dg-final { cleanup-modules "iso_red" } }
diff --git a/gcc/testsuite/gfortran.dg/whole_file_30.f90 b/gcc/testsuite/gfortran.dg/whole_file_30.f90
index 813ca06..d8e401e 100644
--- a/gcc/testsuite/gfortran.dg/whole_file_30.f90
+++ b/gcc/testsuite/gfortran.dg/whole_file_30.f90
@@ -13,3 +13,4 @@ module system_defs_m
   end type sysvector_t
 end module system_defs_m
 ! DO NOT CLEAN UP THE MODULE FILE - whole_file_31.f90 does it.
+! { dg-final { keep-modules "" } }
diff --git a/gcc/testsuite/gfortran.dg/whole_file_31.f90 b/gcc/testsuite/gfortran.dg/whole_file_31.f90
index 7ef0b9f..eb77055 100644
--- a/gcc/testsuite/gfortran.dg/whole_file_31.f90
+++ b/gcc/testsuite/gfortran.dg/whole_file_31.f90
@@ -18,4 +18,4 @@ program t
   type(sysvector_t), target :: sol
   solution => sol
 end program t
-! { dg-final { cleanup-modules "system_defs_m convecreac_m" } }
+! { dg-final { cleanup-modules "system_defs_m" } }
diff --git a/gcc/testsuite/gfortran.fortran-torture/compile/compile.exp b/gcc/testsuite/gfortran.fortran-torture/compile/compile.exp
index 5c56ec3..5bc8d7f 100644
--- a/gcc/testsuite/gfortran.fortran-torture/compile/compile.exp
+++ b/gcc/testsuite/gfortran.fortran-torture/compile/compile.exp
@@ -28,7 +28,7 @@ load_lib torture-options.exp
 torture-init
 set-torture-options [get-fortran-torture-options]
 
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f]] {
+foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.\[fF\]{,90,95,03,08} ]] {
     # If we're only testing specific files and this isn't one of them, skip it.
     if ![runtest_file_p $runtests $testcase] then {
 	continue
@@ -36,67 +36,4 @@ foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f]] {
     fortran-torture $testcase
 }
 
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f90]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F90]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f95]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F95]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f03]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F03]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f08]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F08]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture $testcase
-}
-
 torture-finish
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/execute.exp b/gcc/testsuite/gfortran.fortran-torture/execute/execute.exp
index 40b65f8..d9f0a1b 100644
--- a/gcc/testsuite/gfortran.fortran-torture/execute/execute.exp
+++ b/gcc/testsuite/gfortran.fortran-torture/execute/execute.exp
@@ -32,7 +32,7 @@ load_lib torture-options.exp
 torture-init
 set-torture-options [get-fortran-torture-options]
 
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f]] {
+foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.\[fF\]{,90,95,03,08} ]] {
     # If we're only testing specific files and this isn't one of them, skip it.
     if ![runtest_file_p $runtests $testcase] then {
 	continue
@@ -40,67 +40,4 @@ foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f]] {
     fortran-torture-execute $testcase
 }
 
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f90]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F90]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f95]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F95]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f03]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F03]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.f08]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
-foreach testcase [lsort [glob -nocomplain $srcdir/$subdir/*.F08]] {
-    if ![runtest_file_p $runtests $testcase] then {
-	continue
-    }
-    fortran-torture-execute $testcase
-}
-
 torture-finish
diff --git a/gcc/testsuite/lib/fortran-modules.exp b/gcc/testsuite/lib/fortran-modules.exp
new file mode 100644
index 0000000..4069fb2
--- /dev/null
+++ b/gcc/testsuite/lib/fortran-modules.exp
@@ -0,0 +1,98 @@
+#   Copyright (C) 2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# helper to deal with fortran modules
+
+# Remove files for specified Fortran modules.
+proc cleanup-modules { modlist } {
+    global clean
+    foreach mod [concat $modlist $clean] {
+	set m [string tolower $mod].mod
+	verbose "cleanup-module `$m'" 2
+	if [is_remote host] {
+	    remote_file host delete $m
+	}
+	remote_file build delete $m
+    }
+}
+
+proc keep-modules { modlist } {
+    global clean
+    # if the modlist is empty, keep everything
+    if {[llength $modlist] < 1} {
+	set clean {}
+    } else {
+	set cleansed {}
+	foreach cl $clean {
+	    if {[lsearch $cl $modlist] < 0} {
+		lappend cleansed $cl
+	    }
+	}
+	if {[llength $clean] == [llength $cleansed]} {
+	    warning "keep-modules had no effect?! Possible typo in module name."
+	}
+	set clean $cleansed
+    }
+}
+
+# collect all module names from a source-file
+proc list-module-names { files } {
+    global clean
+    set clean {}
+    foreach file $files {
+	foreach mod [list-module-names-1 $file] {
+	    if {[lsearch $clean $mod] < 0} {
+		lappend clean $mod
+	    }
+	}
+    }
+    return [join $clean " "]
+}
+
+proc list-module-names-1 { file } {
+    set result {}
+    set tmp [grep $file "^\[ \t\]*((#)?\[ \t\]*include|\[mM\]\[oO\]\[dD\]\[uU\]\[lL\]\[eE\](?!\[ \t\]+\[pP\]\[rR\]\[oO\]\[cC\]\[eE\]\[dD\]\[uU\]\[rR\]\[eE\]\[ \t\]+))\[ \t\]+.*" line]
+    if {![string match "" $tmp]} {
+	foreach i $tmp {
+	    regexp "(\[0-9\]+)\[ \t\]+(?:(?:#)?\[ \t\]*include\[ \t\]+)\[\"\](\[^\"\]*)\[\"\]" $i dummy lineno include_file
+	    if {[info exists include_file]} {
+		set dir [file dirname $file]
+		set inc "$dir/$include_file"
+		unset include_file
+		if {![file readable $inc]} {
+		    warning "Line $lineno includes unreadable file `$inc'"
+		    continue
+		}
+		verbose "Line $lineno includes `$inc'" 3
+		foreach mod [list-module-names-1 $inc] {
+		    if {[lsearch $result $mod] < 0} {
+			lappend result $mod
+		    }
+		}
+		continue
+	    }
+	    regexp "(\[0-9\]+)\[ \t\]+(?:(\[mM\]\[oO\]\[dD\]\[uU\]\[lL\]\[eE\]\[ \t\]+(?!\[pP\]\[rR\]\[oO\]\[cC\]\[eE\]\[dD\]\[uU\]\[rR\]\[eE\]\[ \t\]+)))(\[^ \t;\]*)" $i i lineno keyword mod
+	    if {![info exists lineno]} {
+		continue
+	    }
+	    verbose "Line $lineno mentions module `$mod'" 3
+	    if {[lsearch $result $mod] < 0} {
+		lappend result $mod
+	    }
+	}
+    }
+    return $result
+}
diff --git a/gcc/testsuite/lib/fortran-torture.exp b/gcc/testsuite/lib/fortran-torture.exp
index 8d6e2dd..9d875a0 100644
--- a/gcc/testsuite/lib/fortran-torture.exp
+++ b/gcc/testsuite/lib/fortran-torture.exp
@@ -21,6 +21,7 @@
 # based on f-torture.exp, which was written by Rob Savoye.
 
 load_lib target-supports.exp
+load_lib fortran-modules.exp
 
 # Return the list of options to use for fortran torture tests.
 # The default option list can be overridden by
@@ -218,6 +219,7 @@ proc fortran-torture-execute { src } {
     if [string match "/*" $testcase] {
 	set testcase "[file tail [file dirname $src]]/[file tail $src]"
     }
+    list-module-names $src
 
     # Walk the list of options and copmile and run the testcase for all
     # options that are not explicitly disabled by the .x script (if present).
@@ -332,6 +334,7 @@ proc fortran-torture-execute { src } {
         }
 	$status "$testcase execution, $option"
     }
+    cleanup-modules ""
 }
 
 
@@ -390,7 +393,8 @@ proc fortran-torture { args } {
 	    return
 	}
     }
-   
+    list-module-names $src
+
     # loop through all the options
     set option_list $torture_with_loops
     foreach option $option_list {
@@ -406,6 +410,7 @@ proc fortran-torture { args } {
 	}
 
 	fortran-torture-compile $src "$option $options"
+	cleanup-modules ""
     }
 }
 
diff --git a/gcc/testsuite/lib/gcc-dg.exp b/gcc/testsuite/lib/gcc-dg.exp
index 026a8a9..4666ede 100644
--- a/gcc/testsuite/lib/gcc-dg.exp
+++ b/gcc/testsuite/lib/gcc-dg.exp
@@ -29,6 +29,7 @@ load_lib prune.exp
 load_lib libgloss.exp
 load_lib target-libpath.exp
 load_lib torture-options.exp
+load_lib fortran-modules.exp
 
 # We set LC_ALL and LANG to C so that we get the same error messages as expected.
 setenv LC_ALL C
@@ -573,13 +574,6 @@ proc cleanup-saved-temps { args } {
     }
 }
 
-# Remove files for specified Fortran modules.
-proc cleanup-modules { modlist } {
-    foreach modname $modlist {
-	remove-build-file [string tolower $modname].mod
-    }
-}
-
 # Scan Fortran modules for a given regexp.
 #
 # Argument 0 is the module name
diff --git a/gcc/testsuite/lib/gfortran-dg.exp b/gcc/testsuite/lib/gfortran-dg.exp
index 0fd96b3..50753df 100644
--- a/gcc/testsuite/lib/gfortran-dg.exp
+++ b/gcc/testsuite/lib/gfortran-dg.exp
@@ -111,10 +111,12 @@ proc gfortran-dg-runtest { testcases default-extra-flags } {
 	}
 
 	set nshort [file tail [file dirname $test]]/[file tail $test]
+	list-module-names $test
 
 	foreach flags $option_list {
 	    verbose "Testing $nshort, $flags" 1
 	    dg-test $test $flags ${default-extra-flags}
+	    cleanup-modules ""
 	}
     }
 
@@ -171,6 +173,7 @@ proc gfortran-dg-debug-runtest { target_compile trivial opt_opts testcases } {
        }
 
        set nshort [file tail [file dirname $test]]/[file tail $test]
+	list-module-names $test
 
        foreach flags $DEBUG_TORTURE_OPTIONS {
            set doit 1
@@ -179,6 +182,7 @@ proc gfortran-dg-debug-runtest { target_compile trivial opt_opts testcases } {
            if { $doit } {
                verbose -log "Testing $nshort, $flags" 1
                dg-test $test $flags ""
+		cleanup-modules ""
            }
        }
     }
diff --git a/gcc/testsuite/lib/lto.exp b/gcc/testsuite/lib/lto.exp
index 4e5d443..536d629 100644
--- a/gcc/testsuite/lib/lto.exp
+++ b/gcc/testsuite/lib/lto.exp
@@ -499,7 +499,10 @@ proc lto-execute { src1 sid } {
 	verbose "$testcase not supported on this target, skipping it" 3
 	return
     }
-
+    # Should be safe for non-fortran too but be paranoid..
+    if {$sid eq "f_lto"} {
+	list-module-names $src_list
+    }
     regsub "_0.*" $testcase "" testcase
 
     # Set up the base name of executable files so they'll be unique.
@@ -578,6 +581,10 @@ proc lto-execute { src1 sid } {
 	     || ![string compare "link" $compile_type] } {
 	    file_on_host delete $execname
 	}
+	# Should be safe for non-fortran too but be paranoid..
+	if {$sid eq "f_lto"} {
+	    cleanup-modules ""
+	}
     }
 }
 
-- 
1.7.9.1