[pkgconf] enable search for system libs on linux (#23010)

* pkgconf enable system lookup on linux

* verison stuff

* use ubuntu defaults.

* version stuff

* WIP get libpaths from CMake

* just get colmap trace for fun

* merge opensuse and ubuntu settings. should be good for most systems.

* revert colmap change

* version stuff

Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

ports/pkgconf/portfile.cmake

@@ -11,6 +11,59 @@ vcpkg_configure_meson(
     NO_PKG_CONFIG
     OPTIONS -Dtests=false
     )
+
+set(systemsuffix "")
+set(architectureprefix "")
+
+set(SYSTEM_LIBDIR "")
+set(PKG_DEFAULT_PATH "")
+set(SYSTEM_INCLUDEDIR "")
+set(PERSONALITY_PATH "personality.d")
+
+
+if(NOT VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_CROSSCOMPILING AND VCPKG_TARGET_ARCHITECTURE MATCHES "x64")
+    # These defaults are obtained from pkgconf/pkg-config on Ubuntu and OpenSuse
+    # vcpkg cannot do system introspection to obtain/set these values since it would break binary caching.
+    set(SYSTEM_INCLUDEDIR "/usr/include")
+    # System lib dirs will be stripped from -L from the pkg-config output
+    set(SYSTEM_LIBDIR "/lib:/lib/i386-linux-gnu:/lib/x86_64-linux-gnu:/lib/x86_64-linux-gnux32:/lib64:/lib32:/libx32:/usr/lib:/usr/lib/i386-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnux32:/usr/lib64:/usr/lib32:/usr/libx32")
+    set(PKG_DEFAULT_PATH "/usr/local/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib64/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig:/usr/lib64/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig")
+    set(PERSONALITY_PATH "/usr/share/pkgconfig/personality.d:/etc/pkgconfig/personality.d")
+endif()
+
+if(DEFINED VCPKG_pkgconf_SYSTEM_LIBDIR)
+    set(SYSTEM_LIBDIR "${VCPKG_pkgconf_SYSTEM_LIBDIR}")
+endif()
+if(DEFINED VCPKG_pkgconf_PKG_DEFAULT_PATH)
+    set(PKG_DEFAULT_PATH "${VCPKG_pkgconf_PKG_DEFAULT_PATH}")
+endif()
+if(DEFINED VCPKG_pkgconf_SYSTEM_INCLUDEDIR)
+    set(SYSTEM_INCLUDEDIR "${VCPKG_pkgconf_SYSTEM_INCLUDEDIR}")
+endif()
+if(DEFINED VCPKG_pkgconf_PERSONALITY_PATH)
+    set(PERSONALITY_PATH "${VCPKG_pkgconf_PERSONALITY_PATH}")
+endif()
+
+
+set(pkgconfig_file "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg/libpkgconf/config.h")
+if(EXISTS "${pkgconfig_file}")
+    file(READ "${pkgconfig_file}" contents)
+    string(REGEX REPLACE "#define PKG_DEFAULT_PATH [^\n]+" "#define PKG_DEFAULT_PATH \"${PKG_DEFAULT_PATH}\"" contents "${contents}")
+    string(REGEX REPLACE "#define SYSTEM_INCLUDEDIR [^\n]+" "#define SYSTEM_INCLUDEDIR \"${SYSTEM_INCLUDEDIR}\"" contents "${contents}")
+    string(REGEX REPLACE "#define SYSTEM_LIBDIR [^\n]+" "#define SYSTEM_LIBDIR \"${SYSTEM_LIBDIR}\"" contents "${contents}")
+    string(REGEX REPLACE "#define PERSONALITY_PATH [^\n]+" "#define PERSONALITY_PATH \"${PERSONALITY_PATH}\"" contents "${contents}")
+    file(WRITE "${pkgconfig_file}" "${contents}")
+endif()
+set(pkgconfig_file "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/libpkgconf/config.h")
+if(EXISTS "${pkgconfig_file}")
+    file(READ "${pkgconfig_file}" contents)
+    string(REGEX REPLACE "#define PKG_DEFAULT_PATH [^\n]+" "#define PKG_DEFAULT_PATH \"${PKG_DEFAULT_PATH}\"" contents "${contents}")
+    string(REGEX REPLACE "#define SYSTEM_INCLUDEDIR [^\n]+" "#define SYSTEM_INCLUDEDIR \"${SYSTEM_INCLUDEDIR}\"" contents "${contents}")
+    string(REGEX REPLACE "#define SYSTEM_LIBDIR [^\n]+" "#define SYSTEM_LIBDIR \"${SYSTEM_LIBDIR}\"" contents "${contents}")
+    string(REGEX REPLACE "#define PERSONALITY_PATH [^\n]+" "#define PERSONALITY_PATH \"${PERSONALITY_PATH}\"" contents "${contents}")
+    file(WRITE "${pkgconfig_file}" "${contents}")
+endif()
+
 vcpkg_install_meson()
 vcpkg_fixup_pkgconfig(SKIP_CHECK)
 

ports/pkgconf/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "pkgconf",
   "version": "1.8.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "pkgconf is a program which helps to configure compiler and linker flags for development libraries. It is similar to pkg-config from freedesktop.org.",
   "homepage": "https://github.com/pkgconf/pkgconf",
   "supports": "!uwp",

versions/baseline.json

@@ -5338,7 +5338,7 @@
     },
     "pkgconf": {
       "baseline": "1.8.0",
-      "port-version": 1
+      "port-version": 2
     },
     "platform-folders": {
       "baseline": "4.1.0",

versions/p-/pkgconf.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "5b599bd7dbbbc7837f7dbcf1b111478da076e2a4",
+      "version": "1.8.0",
+      "port-version": 2
+    },
     {
       "git-tree": "cbcb5f984f7713a636caa075f06b755d37493dbd",
       "version": "1.8.0",