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authorhainque <hainque@138bc75d-0d04-0410-961f-82ee72b054a4>2017-11-28 14:23:36 +0000
committerhainque <hainque@138bc75d-0d04-0410-961f-82ee72b054a4>2017-11-28 14:23:36 +0000
commit4f1ed5b17fec1440584c88f1aecdd0c8743dcb4e (patch)
tree3b6ad5b19d468492260b168b33334ce43a523904 /gcc
parentf54e5c28038e7697ac158457639a291cf24b81b9 (diff)
downloadgcc-4f1ed5b17fec1440584c88f1aecdd0c8743dcb4e.tar.gz
2017-11-28 Olivier Hainque <hainque@adacore.com>
* Makefile.in (SELFTEST_FLAGS): Use nul instead of /dev/null on mingw build hosts. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@255200 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/Makefile.in5
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 820a3dcae37..5835f870532 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-28 Olivier Hainque <hainque@adacore.com>
+
+ * Makefile.in (SELFTEST_FLAGS): Use nul instead of /dev/null
+ on mingw build hosts.
+
2017-11-28 Jakub Jelinek <jakub@redhat.com>
PR debug/81307
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index f821b00d742..0baa29221f3 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1912,9 +1912,12 @@ rest.cross: specs
# Specify -o /dev/null so the output of -S is discarded. More importantly
# It does not try to create a file with the name "null.s" on POSIX and
# "nul.s" on Windows. Because on Windows "nul" is a reserved file name.
+# Beware that /dev/null is not available to mingw tools, so directly use
+# "nul" instead of "/dev/null" if we're building on a mingw machine.
# Specify the path to gcc/testsuite/selftests within the srcdir
# as an argument to -fself-test.
-SELFTEST_FLAGS = -nostdinc /dev/null -S -o /dev/null \
+DEVNULL=$(if $(findstring mingw,$(build)),nul,/dev/null)
+SELFTEST_FLAGS = -nostdinc $(DEVNULL) -S -o $(DEVNULL) \
-fself-test=$(srcdir)/testsuite/selftests
C_SELFTEST_FLAGS = -xc $(SELFTEST_FLAGS)