From 8fc654c3a00ab0cd842c3e8316f832170ea561d6 Mon Sep 17 00:00:00 2001
From: David Eichmann <EichmannD@gmail.com>
Date: Tue, 9 Apr 2019 13:17:34 +0100
Subject: Include CPP preprocessor dependencies in -M output

Issue #16521
---
 testsuite/tests/driver/T16521/A.hs     | 14 ++++++++++++++
 testsuite/tests/driver/T16521/Makefile |  9 +++++++++
 testsuite/tests/driver/T16521/a.h      |  1 +
 testsuite/tests/driver/T16521/all.T    |  7 +++++++
 testsuite/tests/driver/T16521/b.h      |  2 ++
 testsuite/tests/driver/T16521/b2.h     |  1 +
 testsuite/tests/driver/T16521/check.sh | 33 +++++++++++++++++++++++++++++++++
 7 files changed, 67 insertions(+)
 create mode 100644 testsuite/tests/driver/T16521/A.hs
 create mode 100644 testsuite/tests/driver/T16521/Makefile
 create mode 100644 testsuite/tests/driver/T16521/a.h
 create mode 100644 testsuite/tests/driver/T16521/all.T
 create mode 100644 testsuite/tests/driver/T16521/b.h
 create mode 100644 testsuite/tests/driver/T16521/b2.h
 create mode 100755 testsuite/tests/driver/T16521/check.sh

(limited to 'testsuite/tests')

diff --git a/testsuite/tests/driver/T16521/A.hs b/testsuite/tests/driver/T16521/A.hs
new file mode 100644
index 0000000000..ddcfdbcf41
--- /dev/null
+++ b/testsuite/tests/driver/T16521/A.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE CPP #-}
+
+module A where
+
+#include "a.h"
+#include "b.h"
+
+-- Test including a header from an external package.
+#include "processFlags.h"
+
+main :: IO ()
+main = do
+    putStrLn a
+    putStrLn b
\ No newline at end of file
diff --git a/testsuite/tests/driver/T16521/Makefile b/testsuite/tests/driver/T16521/Makefile
new file mode 100644
index 0000000000..4b3fb94742
--- /dev/null
+++ b/testsuite/tests/driver/T16521/Makefile
@@ -0,0 +1,9 @@
+TOP=../../..
+include $(TOP)/mk/boilerplate.mk
+include $(TOP)/mk/test.mk
+
+T16521 :
+	rm -f Makefile.out
+	'$(TEST_HC)' $(TEST_HC_OPTS) -package process -M -include-cpp-deps -dep-suffix "" -dep-makefile Makefile1.out A.hs 2>&1 > /dev/null
+	'$(TEST_HC)' $(TEST_HC_OPTS) -package process -M -include-cpp-deps -dep-suffix "" -dep-suffix "_" -dep-makefile Makefile2.out A.hs 2>&1 > /dev/null
+	./check.sh
\ No newline at end of file
diff --git a/testsuite/tests/driver/T16521/a.h b/testsuite/tests/driver/T16521/a.h
new file mode 100644
index 0000000000..1fc4634db4
--- /dev/null
+++ b/testsuite/tests/driver/T16521/a.h
@@ -0,0 +1 @@
+a = "a"
\ No newline at end of file
diff --git a/testsuite/tests/driver/T16521/all.T b/testsuite/tests/driver/T16521/all.T
new file mode 100644
index 0000000000..e00a23262f
--- /dev/null
+++ b/testsuite/tests/driver/T16521/all.T
@@ -0,0 +1,7 @@
+test('T16521', extra_files( \
+    [ 'A.hs' \
+    , 'a.h' \
+    , 'b.h' \
+    , 'b2.h' \
+    , 'check.sh'
+    ]), makefile_test, [])
diff --git a/testsuite/tests/driver/T16521/b.h b/testsuite/tests/driver/T16521/b.h
new file mode 100644
index 0000000000..a6d6eaf067
--- /dev/null
+++ b/testsuite/tests/driver/T16521/b.h
@@ -0,0 +1,2 @@
+#include "b2.h"
+b = "b" ++ b2
\ No newline at end of file
diff --git a/testsuite/tests/driver/T16521/b2.h b/testsuite/tests/driver/T16521/b2.h
new file mode 100644
index 0000000000..cbbc1af9e7
--- /dev/null
+++ b/testsuite/tests/driver/T16521/b2.h
@@ -0,0 +1 @@
+b2 = "bb"
\ No newline at end of file
diff --git a/testsuite/tests/driver/T16521/check.sh b/testsuite/tests/driver/T16521/check.sh
new file mode 100755
index 0000000000..1fbecd6231
--- /dev/null
+++ b/testsuite/tests/driver/T16521/check.sh
@@ -0,0 +1,33 @@
+#! /bin/sh
+
+checkDups() {
+	# Check for duplicate lines
+	if [ $(uniq $1 -d | wc -l) -ne 0 ]
+	then
+		echo "Duplicate dependencies:"
+		uniq $1 -d
+	fi
+}
+
+expectDep() {
+	if ! grep -q $1 "$2" $3
+	then
+		echo "Missing: \"$2\""
+	fi
+}
+
+checkDups Makefile1.out
+expectDep -F "A.o : A.hs" Makefile1.out
+expectDep -F "A.o : a.h" Makefile1.out
+expectDep -F "A.o : b.h" Makefile1.out
+expectDep -F "A.o : b2.h" Makefile1.out
+expectDep "" "A\.o : .*/ghcversion.h" Makefile1.out
+expectDep "" "A\.o : .*/processFlags.h" Makefile1.out
+
+checkDups Makefile2.out
+expectDep -F "A._o A.o : A.hs" Makefile2.out
+expectDep -F "A._o A.o : a.h" Makefile2.out
+expectDep -F "A._o A.o : b.h" Makefile2.out
+expectDep -F "A._o A.o : b2.h" Makefile2.out
+expectDep "" "A\._o A\.o : .*/ghcversion.h" Makefile2.out
+expectDep "" "A\._o A\.o : .*/processFlags.h" Makefile2.out
\ No newline at end of file
-- 
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