Rework installation logic so we can go outside the install prefix.

meson_install.py

@@ -37,11 +37,11 @@ def do_install(datafilename):
     d = pickle.load(ifile)
     destdir_var = 'DESTDIR'
     if destdir_var in os.environ:
-        if d.prefix[0] == '/':
-            subdir = d.prefix[1:]
-        else:
-            subdir = d.prefix
-        d.prefix = os.path.join(os.environ[destdir_var], subdir)
+        d.destdir = os.environ[destdir_var]
+    else:
+        d.destdir = ''
+    d.fullprefix = d.destdir + d.prefix
+
     install_subdirs(d) # Must be first, because it needs to delete the old subtree.
     install_targets(d)
     install_headers(d)
@@ -52,6 +52,7 @@ def do_install(datafilename):
 
 def install_subdirs(d):
     for (src_dir, dst_dir) in d.install_subdirs:
+        dst_dir = d.destdir + dst_dir
         # Python's copytree works in strange ways.
         last_level = os.path.split(src_dir)[-1]
         final_dst = os.path.join(dst_dir, last_level)
@@ -65,7 +66,7 @@ def install_po(d):
         srcfile = f[0]
         localedir = f[1]
         languagename = f[2]
-        outfile = os.path.join(d.prefix, localedir, languagename, 'LC_MESSAGES',
+        outfile = os.path.join(d.fullprefix, localedir, languagename, 'LC_MESSAGES',
                                packagename + '.mo')
         os.makedirs(os.path.split(outfile)[0], exist_ok=True)
         shutil.copyfile(srcfile, outfile)
@@ -75,9 +76,13 @@ def install_po(d):
 def install_data(d):
     for i in d.data:
         fullfilename = i[0]
-        outfilerel = i[1]
-        outdir = os.path.join(d.prefix, os.path.split(outfilerel)[0])
-        outfilename = os.path.join(outdir, os.path.split(outfilerel)[1])
+        outfilename = i[1]
+        if os.path.isabs(outfilename):
+            outdir = d.destdir + os.path.split(outfilename)[0]
+            outfilename = d.destdir + outfilename
+        else:
+            outdir = os.path.join(d.fullprefix, os.path.split(outfilename)[0])
+            outfilename = os.path.join(outdir, os.path.split(outfilename)[1])
         os.makedirs(outdir, exist_ok=True)
         print('Installing %s to %s.' % (fullfilename, outdir))
         shutil.copyfile(fullfilename, outfilename)
@@ -86,7 +91,7 @@ def install_data(d):
 def install_man(d):
     for m in d.man:
         outfileroot = m[1]
-        outfilename = os.path.join(d.prefix, outfileroot)
+        outfilename = os.path.join(d.fullprefix, outfileroot)
         full_source_filename = m[0]
         outdir = os.path.split(outfilename)[0]
         os.makedirs(outdir, exist_ok=True)
@@ -100,7 +105,7 @@ def install_man(d):
 def install_headers(d):
     for t in d.headers:
         fullfilename = t[0]
-        outdir = os.path.join(d.prefix, t[1])
+        outdir = os.path.join(d.fullprefix, t[1])
         fname = os.path.split(fullfilename)[1]
         outfilename = os.path.join(outdir, fname)
         print('Installing %s to %s' % (fname, outdir))
@@ -164,7 +169,7 @@ def check_for_stampfile(fname):
 def install_targets(d):
     for t in d.targets:
         fname = check_for_stampfile(t[0])
-        outdir = os.path.join(d.prefix, t[1])
+        outdir = os.path.join(d.fullprefix, t[1])
         aliases = t[2]
         outname = os.path.join(outdir, os.path.split(fname)[-1])
         should_strip = t[3]

ninjabackend.py

@@ -415,15 +415,14 @@ class NinjaBackend(backends.Backend):
                 d.targets.append(i)
 
     def generate_pkgconfig_install(self, d):
-        pkgroot = os.path.join(self.environment.coredata.prefix,
-                               self.environment.coredata.libdir, 'pkgconfig')
+        pkgroot = os.path.join(self.environment.coredata.libdir, 'pkgconfig')
 
         for p in self.build.pkgconfig_gens:
             pcfile = p.filebase + '.pc'
             srcabs = os.path.join(self.environment.get_scratch_dir(),
                                   pcfile)
-            dstabs = os.path.join(pkgroot, pcfile)
-            i = [srcabs, dstabs]
+            dstrel = os.path.join(pkgroot, pcfile)
+            i = [srcabs, dstrel]
             d.man.append(i)
 
     def generate_custom_install_script(self, d):

run_tests.py

@@ -130,7 +130,7 @@ def run_test(testdir, should_succeed):
     os.mkdir(test_build_dir)
     os.mkdir(install_dir)
     print('Running test: ' + testdir)
-    gen_command = [sys.executable, meson_command, '--prefix', install_dir, testdir, test_build_dir]\
+    gen_command = [sys.executable, meson_command, '--prefix', '/usr', testdir, test_build_dir]\
         + unity_flags + backend_flags
     p = subprocess.Popen(gen_command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     (stdo, stde) = p.communicate()
@@ -165,7 +165,9 @@ def run_test(testdir, should_succeed):
         print("Skipping install test")
         return ('', '', '')
     else:
-        pi = subprocess.Popen(install_commands, cwd=test_build_dir,
+        env = os.environ.copy()
+        env['DESTDIR'] = install_dir
+        pi = subprocess.Popen(install_commands, cwd=test_build_dir, env=env,
                           stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         (o, e) = pi.communicate()
         stdo += o.decode('utf-8')

test cases/common/10 man install/installed_files.txt

@@ -1,3 +1,3 @@
-share/man/man1/foo.1.gz
-share/man/man2/bar.2.gz
-share/man/man1/vanishing.1.gz
+usr/share/man/man1/foo.1.gz
+usr/share/man/man2/bar.2.gz
+usr/share/man/man1/vanishing.1.gz

test cases/common/12 data/etcfile.dat

@@ -0,0 +1 @@
+This goes into /etc/etcfile.dat

test cases/common/12 data/installed_files.txt

@@ -1,2 +1,3 @@
-share/progname/datafile.dat
-share/progname/vanishing.dat
+usr/share/progname/datafile.dat
+usr/share/progname/vanishing.dat
+etc/etcfile.dat

test cases/common/12 data/meson.build

@@ -1,3 +1,4 @@
 project('data install test', 'c')
 install_data('progname', sources : 'datafile.dat')
+install_data('dummy', sources : 'etcfile.dat', install_dir : '/etc')
 subdir('vanishing')

test cases/common/27 library versions/installed_files.txt

@@ -1,3 +1,3 @@
-lib/libsomelib.so
-lib/libsomelib.so.0
-lib/libsomelib.so.1.2.3
+usr/lib/libsomelib.so
+usr/lib/libsomelib.so.0
+usr/lib/libsomelib.so.1.2.3

test cases/common/46 library chain/installed_files.txt

@@ -1,4 +1,4 @@
-bin/prog
-lib/liblib1.so
-lib/liblib2.so
-lib/liblib3.so
+usr/bin/prog
+usr/lib/liblib1.so
+usr/lib/liblib2.so
+usr/lib/liblib3.so

test cases/common/49 subproject/installed_files.txt

@@ -1,2 +1,2 @@
-bin/user
-lib/libsublib.so
+usr/bin/user
+usr/lib/libsublib.so

test cases/common/51 pkgconfig-gen/installed_files.txt

@@ -1,3 +1,3 @@
-include/simple.h
-lib/libsimple.so
-lib/pkgconfig/simple.pc
+usr/include/simple.h
+usr/lib/libsimple.so
+usr/lib/pkgconfig/simple.pc

test cases/common/52 custom install dirs/installed_files.txt

@@ -1,4 +1,4 @@
-dib/dab/dub/prog
-some/dir/sample.h
-woman/prog.1.gz
-meow/datafile.cat
+usr/dib/dab/dub/prog
+usr/some/dir/sample.h
+usr/woman/prog.1.gz
+usr/meow/datafile.cat

test cases/common/56 custom target/installed_files.txt

@@ -1 +1 @@
-subdir/data.dat
+usr/subdir/data.dat

test cases/common/57 custom target chain/installed_files.txt

@@ -1 +1 @@
-subdir/data2.dat
+usr/subdir/data2.dat

test cases/common/6 linkshared/installed_files.txt

@@ -1,2 +1,2 @@
-bin/prog
-lib/libmylib.so
+usr/bin/prog
+usr/lib/libmylib.so

test cases/common/60 install script/installed_files.txt

@@ -1,2 +1,2 @@
-bin/prog
-diiba/daaba/file.dat
+usr/bin/prog
+usr/diiba/daaba/file.dat

test cases/common/60 install script/myinstall.sh

@@ -4,8 +4,7 @@ echo Starting custom installation step
 
 # These commands fail on Windows, but we don't really care.
 
-mkdir "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba"
-mkdir "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba/daaba"
-touch "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba/daaba/file.dat"
+mkdir -p "${DESTDIR}${MESON_INSTALL_PREFIX}/diiba/daaba"
+touch "${DESTDIR}${MESON_INSTALL_PREFIX}/diiba/daaba/file.dat"
 
 echo Finishing custom install step

test cases/common/66 install subdir/installed_files.txt

@@ -1,2 +1,2 @@
-share/sub1/data1.dat
-share/sub1/sub2/data2.dat
+usr/share/sub1/data1.dat
+usr/share/sub1/sub2/data2.dat

test cases/common/67 foreach/installed_files.txt

@@ -1,3 +1,3 @@
-bin/prog1
-bin/prog2
-bin/prog3
+usr/bin/prog1
+usr/bin/prog2
+usr/bin/prog3

test cases/common/8 install/installed_files.txt

@@ -1,3 +1,3 @@
-bin/prog
-lib/libshar.so
-lib/libstat.a
+usr/bin/prog
+usr/lib/libshar.so
+usr/lib/libstat.a

test cases/common/9 header install/installed_files.txt

@@ -1,3 +1,3 @@
-include/rootdir.h
-include/subdir/subdir.h
-include/vanished.h
+usr/include/rootdir.h
+usr/include/subdir/subdir.h
+usr/include/vanished.h

test cases/csharp/1 basic/installed_files.txt

@@ -1 +1 @@
-bin/prog.exe
+usr/bin/prog.exe

test cases/csharp/2 library/installed_files.txt

@@ -1,2 +1,2 @@
-bin/prog.exe
-lib/libhelper.dll
+usr/bin/prog.exe
+usr/lib/libhelper.dll

test cases/frameworks/6 gettext/installed_files.txt

@@ -1,3 +1,3 @@
-bin/intlprog
-share/locale/de/LC_MESSAGES/intltest.mo
-share/locale/fi/LC_MESSAGES/intltest.mo
+usr/bin/intlprog
+usr/share/locale/de/LC_MESSAGES/intltest.mo
+usr/share/locale/fi/LC_MESSAGES/intltest.mo

test cases/frameworks/7 gir/installed_files.txt

@@ -1 +1 @@
-typelibdir/Meson-1.0.typelib
+usr/typelibdir/Meson-1.0.typelib