Update a comment to clarify that searching the target triple bin

directory for programs used by the driver is actually the standard
behavior we want to be compatible with GCC cross compilers -- it isn't
specific to SUSE or any other distro.

Also start fleshing out testing of the different cross compilation
patterns, both with a new very bare-bones tree of cross compilers and by
extending the multilib trees. Currently, we don't correctly model doing
a cross compile using the non-triple target of a bi-arch GCC install,
but I'll add support for that (and tests) next.

llvm-svn: 184499

22 files changed, 16 insertions, 0 deletions

diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-as b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-as
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-as
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld
new file mode 120000
index 00000000000..7e0a9cfe2dd
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld
@@ -0,0 +1 @@
+i386-unknown-linux-gnu-ld.gold
\ No newline at end of file
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.bfd b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.bfd
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.bfd
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.gold b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.gold
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/i386-unknown-linux-gnu-ld.gold
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-as b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-as
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-as
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld
new file mode 120000
index 00000000000..ce36ac093b6
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld
@@ -0,0 +1 @@
+x86_64-unknown-linux-gnu-ld.gold
\ No newline at end of file
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.bfd b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.bfd
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.bfd
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.gold b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.gold
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/bin/x86_64-unknown-linux-gnu-ld.gold
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/as b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/as
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/as
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld
new file mode 120000
index 00000000000..6cd03701cdd
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld
@@ -0,0 +1 @@
+ld.gold
\ No newline at end of file
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.bfd b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.bfd
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.bfd
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.gold b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.gold
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/bin/ld.gold
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/lib/.keep b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/lib/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/i386-unknown-linux-gnu/lib/.keep
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/4.6.0/crtbegin.o b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/4.6.0/crtbegin.o
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/4.6.0/crtbegin.o
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbegin.o b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbegin.o
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbegin.o
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbeginT.o b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbeginT.o
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtbeginT.o
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtfastmath.o b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtfastmath.o
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/crtfastmath.o
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/as b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/as
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/as
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld
new file mode 120000
index 00000000000..6cd03701cdd
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld
@@ -0,0 +1 @@
+ld.gold
\ No newline at end of file
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.bfd b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.bfd
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.bfd
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.gold b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.gold
new file mode 100755
index 00000000000..b23e55619b2
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/bin/ld.gold
@@ -0,0 +1 @@
+#!/bin/true
diff --git a/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/lib/.keep b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/lib/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_cross_linux_tree/usr/x86_64-unknown-linux-gnu/lib/.keep