use same compiler args for pch as for regular target

Fixes #999, #1415, #2361.

13 files changed, 70 insertions, 0 deletions

diff --git a/test cases/common/13 pch/generated/gen_custom.py b/test cases/common/13 pch/generated/gen_custom.py
new file mode 100644
index 0000000..650e03c
--- /dev/null
+++ b/test cases/common/13 pch/generated/gen_custom.py
@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+import sys
+
+with open(sys.argv[1], 'w') as f:
+    f.write("#define FOO 0")
diff --git a/test cases/common/13 pch/generated/gen_generator.py b/test cases/common/13 pch/generated/gen_generator.py
new file mode 100644
index 0000000..a245e7a
--- /dev/null
+++ b/test cases/common/13 pch/generated/gen_generator.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+import sys
+
+with open(sys.argv[1]) as f:
+    content = f.read()
+with open(sys.argv[2], 'w') as f:
+    f.write(content)
diff --git a/test cases/common/13 pch/generated/generated_generator.in b/test cases/common/13 pch/generated/generated_generator.in
new file mode 100644
index 0000000..1a00ebd
--- /dev/null
+++ b/test cases/common/13 pch/generated/generated_generator.in
@@ -0,0 +1 @@
+#define BAR 0
diff --git a/test cases/common/13 pch/generated/meson.build b/test cases/common/13 pch/generated/meson.build
new file mode 100644
index 0000000..372a00e
--- /dev/null
+++ b/test cases/common/13 pch/generated/meson.build
@@ -0,0 +1,16 @@
+cc = meson.get_compiler('c')
+cc_id = cc.get_id()
+if cc_id == 'lcc'
+  error('MESON_SKIP_TEST: Elbrus compiler does not support PCH.')
+endif
+
+generated_customTarget = custom_target('makeheader',
+  output: 'generated_customTarget.h',
+  command : [find_program('gen_custom.py'), '@OUTPUT0@'])
+
+generated_generator = generator(find_program('gen_generator.py'),
+  output: '@BASENAME@.h',
+  arguments: ['@INPUT@', '@OUTPUT@'])
+
+exe = executable('prog', 'prog.c', generated_customTarget, generated_generator.process('generated_generator.in'),
+  c_pch: ['pch/prog_pch.c', 'pch/prog.h'])
diff --git a/test cases/common/13 pch/generated/pch/prog.h b/test cases/common/13 pch/generated/pch/prog.h
new file mode 100644
index 0000000..15fec38
--- /dev/null
+++ b/test cases/common/13 pch/generated/pch/prog.h
@@ -0,0 +1,2 @@
+#include "generated_customTarget.h"
+#include "generated_generator.h"
diff --git a/test cases/common/13 pch/generated/pch/prog_pch.c b/test cases/common/13 pch/generated/pch/prog_pch.c
new file mode 100644
index 0000000..4960505
--- /dev/null
+++ b/test cases/common/13 pch/generated/pch/prog_pch.c
@@ -0,0 +1,5 @@
+#if !defined(_MSC_VER)
+#error "This file is only for use with MSVC."
+#endif
+
+#include "prog.h"
diff --git a/test cases/common/13 pch/generated/prog.c b/test cases/common/13 pch/generated/prog.c
new file mode 100644
index 0000000..9b2e2ef
--- /dev/null
+++ b/test cases/common/13 pch/generated/prog.c
@@ -0,0 +1,6 @@
+// No includes here, they need to come from the PCH
+
+int main(int argc, char **argv) {
+    return FOO + BAR;
+}
+
diff --git a/test cases/common/13 pch/meson.build b/test cases/common/13 pch/meson.build
index d39527b..43129c9 100644
--- a/test cases/common/13 pch/meson.build
+++ b/test cases/common/13 pch/meson.build
@@ -2,6 +2,8 @@ project('pch test', 'c', 'cpp')
 
 subdir('c')
 subdir('cpp')
+subdir('generated')
+subdir('withIncludeDirectories')
 
 if meson.backend() == 'xcode'
   warning('Xcode backend only supports one precompiled header per target. Skipping "mixed" which has various precompiled headers.')
diff --git a/test cases/common/13 pch/withIncludeDirectories/include/lib/lib.h b/test cases/common/13 pch/withIncludeDirectories/include/lib/lib.h
new file mode 100644
index 0000000..53c5fdf
--- /dev/null
+++ b/test cases/common/13 pch/withIncludeDirectories/include/lib/lib.h
@@ -0,0 +1 @@
+#include <stdio.h>
diff --git a/test cases/common/13 pch/withIncludeDirectories/meson.build b/test cases/common/13 pch/withIncludeDirectories/meson.build
new file mode 100644
index 0000000..2ab2cd8
--- /dev/null
+++ b/test cases/common/13 pch/withIncludeDirectories/meson.build
@@ -0,0 +1,9 @@
+cc = meson.get_compiler('c')
+cc_id = cc.get_id()
+if cc_id == 'lcc'
+  error('MESON_SKIP_TEST: Elbrus compiler does not support PCH.')
+endif
+
+exe = executable('prog', 'prog.c',
+  include_directories: 'include',
+  c_pch : ['pch/prog_pch.c', 'pch/prog.h'])
diff --git a/test cases/common/13 pch/withIncludeDirectories/pch/prog.h b/test cases/common/13 pch/withIncludeDirectories/pch/prog.h
new file mode 100644
index 0000000..383b2c5
--- /dev/null
+++ b/test cases/common/13 pch/withIncludeDirectories/pch/prog.h
@@ -0,0 +1 @@
+#include<lib/lib.h>
diff --git a/test cases/common/13 pch/withIncludeDirectories/pch/prog_pch.c b/test cases/common/13 pch/withIncludeDirectories/pch/prog_pch.c
new file mode 100644
index 0000000..4960505
--- /dev/null
+++ b/test cases/common/13 pch/withIncludeDirectories/pch/prog_pch.c
@@ -0,0 +1,5 @@
+#if !defined(_MSC_VER)
+#error "This file is only for use with MSVC."
+#endif
+
+#include "prog.h"
diff --git a/test cases/common/13 pch/withIncludeDirectories/prog.c b/test cases/common/13 pch/withIncludeDirectories/prog.c
new file mode 100644
index 0000000..0ce3d0a
--- /dev/null
+++ b/test cases/common/13 pch/withIncludeDirectories/prog.c
@@ -0,0 +1,10 @@
+// No includes here, they need to come from the PCH
+
+void func() {
+    fprintf(stdout, "This is a function that fails if stdio is not #included.\n");
+}
+
+int main(int argc, char **argv) {
+    return 0;
+}
+