Merge pull request #338 from mesonbuild/multigen

Custom target libgen

5 files changed, 93 insertions, 0 deletions

diff --git a/test cases/common/103 manygen/depuser.c b/test cases/common/103 manygen/depuser.c
new file mode 100644
index 0000000..1a825e0
--- /dev/null
+++ b/test cases/common/103 manygen/depuser.c
@@ -0,0 +1,8 @@
+#include"gen_func.h"
+
+int main(int argc, char **argv) {
+    unsigned int i = (unsigned int) gen_func_in_lib();
+    unsigned int j = (unsigned int) gen_func_in_obj();
+    unsigned int k = (unsigned int) gen_func_in_src();
+    return (int)(i + j + k);
+}
diff --git a/test cases/common/103 manygen/meson.build b/test cases/common/103 manygen/meson.build
new file mode 100644
index 0000000..5079d1b
--- /dev/null
+++ b/test cases/common/103 manygen/meson.build
@@ -0,0 +1,8 @@
+project('manygen', 'c')
+
+subdir('subdir')
+
+exe = executable('depuser', 'depuser.c',
+  generated)
+
+test('depuser test', exe)
diff --git a/test cases/common/103 manygen/subdir/funcinfo.def b/test cases/common/103 manygen/subdir/funcinfo.def
new file mode 100644
index 0000000..b074186
--- /dev/null
+++ b/test cases/common/103 manygen/subdir/funcinfo.def
@@ -0,0 +1 @@
+gen_func
diff --git a/test cases/common/103 manygen/subdir/manygen.py b/test cases/common/103 manygen/subdir/manygen.py
new file mode 100755
index 0000000..fbf2eae
--- /dev/null
+++ b/test cases/common/103 manygen/subdir/manygen.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+
+# Generates a static library, object file, source
+# file and a header file.
+
+import sys, os
+import shutil, subprocess
+
+funcname = open(sys.argv[1]).readline().strip()
+outdir = sys.argv[2]
+
+if not os.path.isdir(outdir):
+    print('Outdir does not exist.')
+    sys.exit(1)
+
+if shutil.which('cl'):
+    print('VS support not yet added.')
+    sys.exit(1)
+
+objsuffix = '.o'
+libsuffix = '.a'
+
+outo = os.path.join(outdir, funcname + objsuffix)
+outa = os.path.join(outdir, funcname + libsuffix)
+outh = os.path.join(outdir, funcname + '.h')
+outc = os.path.join(outdir, funcname + '.c')
+
+compiler = shutil.which('gcc')
+if compiler is None:
+    compiler = shutil.which('clang')
+if compiler is None:
+    compiler = shutil.which('cc')
+if compiler is None:
+    print('No known compilers found.')
+    sys.exit(1)
+linker = 'ar'
+
+tmpc = 'diibadaaba.c'
+tmpo = 'diibadaaba' + objsuffix
+
+open(outc, 'w').write('''#include"%s.h"
+int %s_in_src() {
+  return 0;
+}
+''' % (funcname, funcname))
+
+open(outh, 'w').write('''#pragma once
+int %s_in_lib();
+int %s_in_obj();
+int %s_in_src();
+''' % (funcname, funcname, funcname))
+
+open(tmpc, 'w').write('''int %s_in_obj() {
+  return 0;
+}
+''' % funcname)
+
+subprocess.check_call([compiler, '-c', '-o', outo, tmpc])
+
+open(tmpc, 'w').write('''int %s_in_lib() {
+  return 0;
+}
+''' % funcname)
+
+subprocess.check_call([compiler, '-c', '-o', tmpo, tmpc])
+subprocess.check_call([linker, 'csr', outa, tmpo])
+os.unlink(tmpo)
+os.unlink(tmpc)
+
diff --git a/test cases/common/103 manygen/subdir/meson.build b/test cases/common/103 manygen/subdir/meson.build
new file mode 100644
index 0000000..4470d1a
--- /dev/null
+++ b/test cases/common/103 manygen/subdir/meson.build
@@ -0,0 +1,7 @@
+gen = find_program('manygen.py')
+
+generated = custom_target('manygen',
+  output : ['gen_func.a', 'gen_func.c', 'gen_func.h', 'gen_func.o'],
+  input : ['funcinfo.def'],
+  command : [gen, '@INPUT@', '@OUTDIR@'],
+)