From 0159b72dbf048b0aa7d7b9ae85715205cb801e50 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 14 Nov 2021 18:06:58 +0100
Subject: Evaluate externals in configure step end read from config map during
 compilation.

---
 test/suite/ctor_files/ctor.cc.bar  | 58 ++++++++++++++++++++++++++++
 test/suite/ctor_files/ctor.cc.base | 58 ++++++++++++++++++++++++++++
 test/suite/hello.cc                |  6 +++
 test/suite/test.sh                 | 77 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 199 insertions(+)
 create mode 100644 test/suite/ctor_files/ctor.cc.bar
 create mode 100644 test/suite/ctor_files/ctor.cc.base
 create mode 100644 test/suite/hello.cc
 create mode 100755 test/suite/test.sh

(limited to 'test/suite')

diff --git a/test/suite/ctor_files/ctor.cc.bar b/test/suite/ctor_files/ctor.cc.bar
new file mode 100644
index 0000000..2c9df2a
--- /dev/null
+++ b/test/suite/ctor_files/ctor.cc.bar
@@ -0,0 +1,58 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
+#include <libctor.h>
+//#include "config.h"
+
+namespace
+{
+BuildConfigurations ctorConfigs()
+{
+	return
+	{
+		{
+			.name = "hello",
+			.target = "hello",
+			.sources = {
+				"hello.cc",
+			},
+			.cxxflags = {
+				"-std=c++20",
+				"-O3",
+				"-g",
+				"-Wall",
+				"-Werror",
+			},
+			.externals = {"bar"},
+		}
+	};
+}
+
+ExternalConfigurations ctorExtConfigs()
+{
+	return
+	{
+		{
+			.name = "bar",
+			.cxxflags = { "-D_A_", "-DBAR"},
+			.cflags = { "-D_B_" },
+			.ldflags = { "-D_C_" },
+			.asmflags = { "-D_D_" },
+			// Creates --with-foo-prefix arg to configure which will be used for
+			// -L and -I flags.
+			// If not specified configure will try to find them in the system paths.
+		},
+//		{
+//			.name = "bar",
+//			.type = TargetType::ExternalPkgConfig,
+//			.min_version = "0.1",
+//			.max_version = "0.9",
+//			// cflags, cxxflags and ldflags deduced by pkg-config tool (or parsed
+//			// directly from .pc if faster)
+//		},
+	};
+}
+}
+
+REG(ctorConfigs);
+REG(ctorExtConfigs);
diff --git a/test/suite/ctor_files/ctor.cc.base b/test/suite/ctor_files/ctor.cc.base
new file mode 100644
index 0000000..d9b8e4d
--- /dev/null
+++ b/test/suite/ctor_files/ctor.cc.base
@@ -0,0 +1,58 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
+#include <libctor.h>
+//#include "config.h"
+
+namespace
+{
+BuildConfigurations ctorConfigs()
+{
+	return
+	{
+		{
+			.name = "hello",
+			.target = "hello",
+			.sources = {
+				"hello.cc",
+			},
+			.cxxflags = {
+				"-std=c++20",
+				"-O3",
+				"-g",
+				"-Wall",
+				"-Werror",
+			},
+			.externals = {"bar"},
+		}
+	};
+}
+
+ExternalConfigurations ctorExtConfigs()
+{
+	return
+	{
+		{
+			.name = "bar",
+			.cxxflags = { "-D_A_", "-DFOO"},
+			.cflags = { "-D_B_" },
+			.ldflags = { "-D_C_" },
+			.asmflags = { "-D_D_" },
+			// Creates --with-foo-prefix arg to configure which will be used for
+			// -L and -I flags.
+			// If not specified configure will try to find them in the system paths.
+		},
+//		{
+//			.name = "bar",
+//			.type = TargetType::ExternalPkgConfig,
+//			.min_version = "0.1",
+//			.max_version = "0.9",
+//			// cflags, cxxflags and ldflags deduced by pkg-config tool (or parsed
+//			// directly from .pc if faster)
+//		},
+	};
+}
+}
+
+REG(ctorConfigs);
+REG(ctorExtConfigs);
diff --git a/test/suite/hello.cc b/test/suite/hello.cc
new file mode 100644
index 0000000..06e3deb
--- /dev/null
+++ b/test/suite/hello.cc
@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main()
+{
+	std::cout << "Hello\n";
+}
diff --git a/test/suite/test.sh b/test/suite/test.sh
new file mode 100755
index 0000000..8d22206
--- /dev/null
+++ b/test/suite/test.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+function fail
+{
+		echo "*** Failure at line $1"
+		exit 1
+}
+
+function ctor
+{
+		echo "*** Running: ./ctor $*"
+		./ctor $*
+}
+
+# Wipe the board
+rm -Rf build
+rm -f configuration.cc
+rm -f ctor
+
+cp ctor_files/ctor.cc.base ctor.cc
+
+# Compile bootstrap binary
+g++ -pthread -std=c++20 -L../../build -lctor -I../../src ctor.cc -o ctor || fail ${LINENO}
+
+# No build files should have been created yet
+[ -d build ] && fail ${LINENO}
+
+# capture md5 sum of ctor binary before configure is called
+MD5=`md5sum ctor`
+ctor configure --ctor-includedir ../../src --ctor-libdir ../../build
+
+# ctor should be rebuilt at this point, so md5 sum should have changed
+(echo $MD5 | md5sum --status -c) && fail ${LINENO}
+
+# configuration.cc should have been generated now
+[ ! -f configuration.cc ] && fail ${LINENO}
+
+# Shouldn't compile anything yet - only configure
+[ -f build/hello-hello_cc.o ] && fail ${LINENO}
+
+MD5=`md5sum ctor`
+
+# Run normally to build project
+ctor -v
+
+# Compiled object should now exist
+[ ! -f build/hello-hello_cc.o ] && fail ${LINENO}
+
+# ctor should not have been rebuilt, so md5 sum should be the same
+(echo $MD5 | md5sum --status -c) || fail ${LINENO}
+
+MOD1=`stat -c %Y build/hello-hello_cc.o`
+touch hello.cc
+sleep 1.1
+
+# Run normally to rebuild hello.cc
+ctor -v
+
+# Object file should have been recompiled
+MOD2=`stat -c %Y build/hello-hello_cc.o`
+[[ $MOD1 == $MOD2 ]] && fail ${LINENO}
+
+# Replacve -DFOO with -DBAR in foo external.cxxflags
+cp ctor_files/ctor.cc.bar ctor.cc
+
+MD5C=`md5sum configuration.cc`
+MD5=`md5sum ctor`
+MOD1=`stat -c %Y build/hello-hello_cc.o`
+sleep 1.1
+
+# Run normally to reconfigure, rebuild ctor and rebuild hello.cc
+ctor -v
+
+MOD2=`stat -c %Y build/hello-hello_cc.o`
+[[ $MOD1 == $MOD2 ]] && fail ${LINENO}
+(echo $MD5C | md5sum --status -c) && fail ${LINENO}
+(echo $MD5 | md5sum --status -c) && fail ${LINENO}
-- 
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