Set PKG_CONFIG_PATH to include prefix

[builder.git] / source / builder.cpp

diff --git a/source/builder.cpp b/source/builder.cpp
index b06b8ffb2fd0b1de4c7b288989cd8704ce295919..9db904a8d805af19a323f6d68ffe319b7343d819 100644 (file)
--- a/source/builder.cpp
+++ b/source/builder.cpp
@@ -6,6 +6,7 @@ Distributed under the LGPL
 */
 
 #include <set>
+#include <cstdlib>
 #include <sys/utsname.h>
 #include <msp/core/except.h>
 #include <msp/core/getopt.h>
@@ -194,6 +195,25 @@ Builder::~Builder()
 
 int Builder::main()
 {
+       if(prefix.str()!="/usr")
+       {
+               FS::Path pcdir=prefix/"lib"/"pkgconfig";
+               if(const char *pcp=getenv("PKG_CONFIG_PATH"))
+               {
+                       vector<string> path=split(pcp, ':');
+                       bool found=false;
+                       for(vector<string>::const_iterator i=path.begin(); (!found && i!=path.end()); ++i)
+                               found=(*i==pcdir.str());
+                       if(!found)
+                       {
+                               path.push_back(pcdir.str());
+                               setenv("PKG_CONFIG_PATH", join(path.begin(), path.end(), ":").c_str(), true);
+                       }
+               }
+               else
+                       setenv("PKG_CONFIG_PATH", pcdir.str().c_str(), true);
+       }
+
        if(load_build_file(cwd/build_file))
        {
                if(help)
@@ -269,8 +289,6 @@ int Builder::main()
                return 1;
        }
 
-       //if(create_makefile
-
        if(clean)
                exit_code=do_clean();
        else if(build)
@@ -279,6 +297,32 @@ int Builder::main()
        return exit_code;
 }
 
+string Builder::run_pkgconfig(const string &pkg, const string &what)
+{
+       list<string> argv;
+       argv.push_back("pkg-config");
+       if(what=="cflags" || what=="libs")
+               argv.push_back("--"+what);
+       else if(what=="flags")
+       {
+               argv.push_back("--cflags");
+               argv.push_back("--libs");
+       }
+       else
+               argv.push_back("--variable="+what);
+       argv.push_back(pkg);
+
+       if(verbose>=4)
+               IO::print("Running %s\n", join(argv.begin(), argv.end()));
+
+       int status;
+       string res=run_command(argv, &status);
+       if(status)
+               throw Exception(format("pkg-config for package %s failed", pkg));
+
+       return res;
+}
+
 Package *Builder::get_package(const string &name)
 {
        PackageMap::iterator i=packages.find(format("%s/%s", name, current_arch->get_name()));
@@ -295,14 +339,19 @@ Package *Builder::get_package(const string &name)
                        return i->second;
        }
 
-       // Package source not found - create a binary package
-       Package *pkg=BinaryPackage::from_pkgconfig(*this, name);
+       Package *pkg=0;
+       try
+       {
+               // Package source not found - create a binary package
+               pkg=BinaryPackage::from_pkgconfig(*this, name);
+       }
+       catch(...)
+       {
+               problem(name, "not found");
+       }
 
        packages.insert(PackageMap::value_type(name, pkg));
 
-       if(!pkg)
-               problem(name, "not found");
-
        return pkg;
 }
 
@@ -458,16 +507,15 @@ FS::Path Builder::get_package_location(const string &name)
        if(verbose>=3)
                IO::print("Looking for package %s\n", name);
 
-       // Try to get source directory with pkgconfig
-       list<string> argv;
-       argv.push_back("pkg-config");
-       argv.push_back("--variable=source");
-       argv.push_back(name);
-       if(verbose>=4)
-               IO::print("Running %s\n", join(argv.begin(), argv.end()));
-       string srcdir=strip(run_command(argv));
-       if(!srcdir.empty())
-               return srcdir;
+       try
+       {
+               // Try to get source directory with pkgconfig
+               string srcdir=strip(run_pkgconfig(name, "source"));
+               if(!srcdir.empty())
+                       return srcdir;
+       }
+       catch(...)
+       { }
 
        if(pkg_dirs.empty())
        {