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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-29 04:41:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-29 04:41:38 +0000
commit7b6e527f440cd7e6f8be2b07cee320ee6ca18786 (patch)
tree4a2738d69fa2814659fdadddf5826282e73d81f4 /test cases/common/173 as-needed
parentInitial commit. (diff)
downloadmeson-upstream.tar.xz
meson-upstream.zip
Adding upstream version 1.0.1.upstream/1.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test cases/common/173 as-needed')
-rw-r--r--test cases/common/173 as-needed/config.h14
-rw-r--r--test cases/common/173 as-needed/libA.cpp7
-rw-r--r--test cases/common/173 as-needed/libA.h5
-rw-r--r--test cases/common/173 as-needed/libB.cpp19
-rw-r--r--test cases/common/173 as-needed/main.cpp7
-rw-r--r--test cases/common/173 as-needed/meson.build13
6 files changed, 65 insertions, 0 deletions
diff --git a/test cases/common/173 as-needed/config.h b/test cases/common/173 as-needed/config.h
new file mode 100644
index 0000000..b8fb60f
--- /dev/null
+++ b/test cases/common/173 as-needed/config.h
@@ -0,0 +1,14 @@
+#if defined _WIN32 || defined __CYGWIN__
+ #if defined BUILDING_DLL
+ #define DLL_PUBLIC __declspec(dllexport)
+ #else
+ #define DLL_PUBLIC __declspec(dllimport)
+ #endif
+#else
+ #if defined __GNUC__
+ #define DLL_PUBLIC __attribute__ ((visibility("default")))
+ #else
+ #pragma message ("Compiler does not support symbol visibility.")
+ #define DLL_PUBLIC
+ #endif
+#endif
diff --git a/test cases/common/173 as-needed/libA.cpp b/test cases/common/173 as-needed/libA.cpp
new file mode 100644
index 0000000..5f45bc0
--- /dev/null
+++ b/test cases/common/173 as-needed/libA.cpp
@@ -0,0 +1,7 @@
+#define BUILDING_DLL
+
+#include "libA.h"
+
+namespace meson_test_as_needed {
+ DLL_PUBLIC bool linked = false;
+}
diff --git a/test cases/common/173 as-needed/libA.h b/test cases/common/173 as-needed/libA.h
new file mode 100644
index 0000000..8e76d22
--- /dev/null
+++ b/test cases/common/173 as-needed/libA.h
@@ -0,0 +1,5 @@
+#include "config.h"
+
+namespace meson_test_as_needed {
+ DLL_PUBLIC extern bool linked;
+}
diff --git a/test cases/common/173 as-needed/libB.cpp b/test cases/common/173 as-needed/libB.cpp
new file mode 100644
index 0000000..a872394
--- /dev/null
+++ b/test cases/common/173 as-needed/libB.cpp
@@ -0,0 +1,19 @@
+#include "libA.h"
+
+#undef DLL_PUBLIC
+#define BUILDING_DLL
+#include "config.h"
+
+namespace meson_test_as_needed {
+ namespace {
+ bool set_linked() {
+ linked = true;
+ return true;
+ }
+ bool stub = set_linked();
+ }
+
+ DLL_PUBLIC int libB_unused_func() {
+ return 0;
+ }
+}
diff --git a/test cases/common/173 as-needed/main.cpp b/test cases/common/173 as-needed/main.cpp
new file mode 100644
index 0000000..a893431
--- /dev/null
+++ b/test cases/common/173 as-needed/main.cpp
@@ -0,0 +1,7 @@
+#include <cstdlib>
+
+#include "libA.h"
+
+int main(void) {
+ return !meson_test_as_needed::linked ? EXIT_SUCCESS : EXIT_FAILURE;
+}
diff --git a/test cases/common/173 as-needed/meson.build b/test cases/common/173 as-needed/meson.build
new file mode 100644
index 0000000..3b54aaa
--- /dev/null
+++ b/test cases/common/173 as-needed/meson.build
@@ -0,0 +1,13 @@
+project('as-needed test', 'cpp')
+
+# Idea behind this test is to have -Wl,--as-needed prune
+# away unneeded linkages, which would otherwise cause global
+# static initialiser side-effects to set a boolean to true.
+
+# Credits for portable ISO C++ idea go to sarum9in
+
+libA = library('A', 'libA.cpp')
+libB = library('B', 'libB.cpp', link_with : libA)
+
+main_exe = executable('C', 'main.cpp', link_with : [libA, libB])
+test('main test', main_exe)