(lib)clang is needed

[kenz-gelsoft]

checking for cbindgen... /bin/cbindgen
checking for rustfmt... /bin/rustfmt
checking for clang for bindgen... not found
checking for libclang for bindgen... not found
ERROR: Could not find clang to generate run bindings for C/C++. Please install the necessary packages, run `mach bootstrap`, or use --with-clang-path to give the location of clang.
~/src/firefox-102.9.0/obj-x86_64-unknown-haiku> 

[kenz-gelsoft]

Installing llvm12_clang from Haiku Depot

[kenz-gelsoft]

clang found, but libclang is not found.

checking for cbindgen... /bin/cbindgen
checking for rustfmt... /bin/rustfmt
checking for clang for bindgen... /bin/clang++
checking for libclang for bindgen... not found
ERROR: Could not find libclang to generate rust bindings for C/C++. Please install the necessary packages, run `mach bootstrap`, or use --with-libclang-path to give the path containing it.
~/src/firefox-102.9.0/obj-x86_64-unknown-haiku> 

[kenz-gelsoft]

Trying install llvm12_clang_analysis package.

I don't know this contains libclang or not.

[kenz-gelsoft]

already installed, but not found

~/src/firefox-102.9.0/obj-x86_64-unknown-haiku> ls /system/lib/libclang*
/system/lib/libclang-cpp.so  /system/lib/libclang-cpp.so.12  /system/lib/libclang.so.12

[kenz-gelsoft]

detection code was OS dependant, fixed by

diff --git a/build/moz.configure/bindgen.configure b/build/moz.configure/bindgen.configure
index 2194e732d5..2a77385f59 100644
--- a/build/moz.configure/bindgen.configure
+++ b/build/moz.configure/bindgen.configure
@@ -22,7 +22,7 @@ option(env="CBINDGEN", nargs=1, when=cbindgen_is_needed, help="Path to cbindgen"
 def check_cbindgen_version(cbindgen, fatal=False):
     log.debug("trying cbindgen: %s" % cbindgen)
 
-    cbindgen_min_version = Version("0.23.0")
+    cbindgen_min_version = Version("0.20.0")#Version("0.23.0")
 
     # cbindgen x.y.z
     version = Version(check_cmd_output(cbindgen, "--version").strip().split(" ")[1])
@@ -205,7 +205,7 @@ def bindgen_libclang_path(libclang_path, clang, library_name_info, host):
     libclang_choices.append(
         "%sclang%s" % (library_name_info.dll.prefix, library_name_info.dll.suffix)
     )
-    if host.kernel == "Linux":
+    if host.kernel == "Linux" or host.kernel == "Haiku":
         libclang_choices.append("libclang.so.*")
 
     if host.os == "OpenBSD":