v.pkgconfig: fix parser, when includedir= lines, had trailing spaces (fix -d use_openssl for openssl 3.3.2 installed through brew on macos)

vlib/v/pkgconfig/pkgconfig.v

@@ -3,6 +3,8 @@ module pkgconfig
 import semver
 import os
 
+const version = '0.3.4'
+
 const default_paths = [
 	'/usr/local/lib/x86_64-linux-gnu/pkgconfig',
 	'/usr/local/lib64/pkgconfig',
@@ -18,7 +20,6 @@ const default_paths = [
 	'/usr/libdata/pkgconfig', // FreeBSD
 	'/usr/lib/i386-linux-gnu/pkgconfig', // Debian 32bit
 ]
-const version = '0.3.3'
 
 pub struct Options {
 pub:
@@ -31,6 +32,7 @@ pub:
 
 pub struct PkgConfig {
 pub mut:
+	file_path        string
 	options          Options
 	name             string
 	modname          string
@@ -92,6 +94,7 @@ fn (mut pc PkgConfig) setvar(line string) {
 }
 
 fn (mut pc PkgConfig) parse(file string) bool {
+	pc.file_path = file
 	data := os.read_file(file) or { return false }
 	if pc.options.debug {
 		eprintln(data)
@@ -105,7 +108,8 @@ fn (mut pc PkgConfig) parse(file string) bool {
 			}
 		}
 	} else {
-		for line in lines {
+		for oline in lines {
+			line := oline.trim_space()
 			if line.starts_with('#') {
 				continue
 			}

vlib/v/pkgconfig/pkgconfig_test.v

@@ -88,5 +88,13 @@ fn test_samples() {
 			assert x.version == '2.64.3'
 			assert x.conflicts == []
 		}
+		if x.name == 'OpenSSL' {
+			assert x.modname == 'openssl-3.3.2'
+			assert x.version == '3.3.2'
+			assert x.description == 'Secure Sockets Layer and cryptography libraries and tools'
+			assert x.vars['prefix'] == '/opt/homebrew/Cellar/openssl@3/3.3.2'
+			assert x.vars['libdir'] == '/opt/homebrew/Cellar/openssl@3/3.3.2/lib'
+			assert x.vars['includedir'] == '/opt/homebrew/Cellar/openssl@3/3.3.2/include'
+		}
 	}
 }

vlib/v/pkgconfig/test_samples/openssl-3.3.2.pc

@@ -0,0 +1,12 @@
+## NOTE: this file has a space at the end of the includedir line. It is *deliberate*!
+## That version with the space, was present in homebrew, and failed V compilations with `-d use_openssl` on macos.
+## This .pc file is here, to prevent silent regressions for future cases like this.
+prefix=/opt/homebrew/Cellar/openssl@3/3.3.2
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include 
+
+Name: OpenSSL
+Description: Secure Sockets Layer and cryptography libraries and tools
+Version: 3.3.2
+