Can leave Boost modules empty to only use the plain header libraries. Closes #263.

dependencies.py

@@ -405,9 +405,10 @@ class BoostDependency(Dependency):
                 self.boost_root = self.detect_win_root()
                 self.incdir = os.path.join(self.boost_root, 'boost')
             else:
-                self.incdir = '/usr/include/boost'
+                self.incdir = '/usr/include'
         else:
-            self.incdir = os.path.join(self.boost_root, 'include/boost')
+            self.incdir = os.path.join(self.boost_root, 'include')
+        self.boost_inc_subdir = os.path.join(self.incdir, 'boost')
         mlog.debug('Boost library root dir is', self.boost_root)
         self.src_modules = {}
         self.lib_modules = {}
@@ -442,13 +443,12 @@ class BoostDependency(Dependency):
                 args.append('-I' + self.boost_root)
             else:
                 args.append('-I' + os.path.join(self.boost_root, 'include'))
+        else:
+            args.append('-I' + self.incdir)
         return args
 
     def get_requested(self, kwargs):
-        modules = 'modules'
+        candidates = kwargs.get('modules', [])
-        if not modules in kwargs:
-            raise DependencyException('Boost dependency must specify "%s" keyword.' % modules)
-        candidates = kwargs[modules]
         if isinstance(candidates, str):
             return [candidates]
         for c in candidates:
@@ -469,7 +469,7 @@ class BoostDependency(Dependency):
 
     def detect_version(self):
         try:
-            ifile = open(os.path.join(self.incdir, 'version.hpp'))
+            ifile = open(os.path.join(self.boost_inc_subdir, 'version.hpp'))
         except FileNotFoundError:
             self.version = None
             return
@@ -482,8 +482,8 @@ class BoostDependency(Dependency):
         self.version = None
 
     def detect_src_modules(self):
-        for entry in os.listdir(self.incdir):
+        for entry in os.listdir(self.boost_inc_subdir):
-            entry = os.path.join(self.incdir, entry)
+            entry = os.path.join(self.boost_inc_subdir, entry)
             if stat.S_ISDIR(os.stat(entry).st_mode):
                 self.src_modules[os.path.split(entry)[-1]] = True
 

test cases/frameworks/1 boost/meson.build

@@ -13,11 +13,14 @@ endif
 nolinkdep = dependency('boost', modules: 'utility')
 linkdep = dependency('boost', modules : ['thread', 'system'])
 testdep = dependency('boost', modules : 'test')
+nomoddep = dependency('boost')
 
 nolinkexe = executable('nolinkedexe', 'nolinkexe.cc', dependencies : nolinkdep)
 linkexe = executable('linkedexe', 'linkexe.cc', dependencies : linkdep)
 unitexe = executable('utf', 'unit_test.cpp', dependencies: testdep)
+nomodexe = executable('nomod', 'nomod.cpp', dependencies : nomoddep)
 
 test('Boost nolinktext', nolinkexe)
 test('Boost linktext', linkexe)
 test('Boost UTF test', unitexe)
+test('Boost nomod', nomodexe)

test cases/frameworks/1 boost/nomod.cpp

@@ -0,0 +1,18 @@
+#include<boost/any.hpp>
+#include<iostream>
+
+boost::any get_any() {
+    boost::any foobar = 3;
+    return foobar;
+}
+
+int main(int argc, char **argv) {
+    boost::any result = get_any();
+    if(boost::any_cast<int>(result) == 3) {
+        std::cout << "Everything is fine in the worls.\n";
+        return 0;
+    } else {
+        std::cout << "Mathematics stopped working.\n";
+        return 1;
+    }
+}