From 94b3b04e6d72d1e8f02bc116abb6e8d05a90c54e Mon Sep 17 00:00:00 2001
From: Ganesh Viswanathan <dev@genotrance.com>
Date: Mon, 5 Oct 2020 13:33:54 -0500
Subject: [PATCH] Fix build error messaging

---
 nimterop/build/getheader.nim | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/nimterop/build/getheader.nim b/nimterop/build/getheader.nim
index 4549894..918e923 100644
--- a/nimterop/build/getheader.nim
+++ b/nimterop/build/getheader.nim
@@ -208,11 +208,12 @@ proc buildLibrary(lname, outdir, conFlags, cmakeFlags, makeFlags: string, buildT
   var
     lpath = findFile(lname, outdir, regex = true)
     makePath = outdir
+    buildStatus: BuildStatus
+    errors: seq[string]
 
   if lpath.nBl:
     return lpath
 
-  var buildStatus: BuildStatus
 
   for buildType in buildTypes:
     case buildType
@@ -223,6 +224,8 @@ proc buildLibrary(lname, outdir, conFlags, cmakeFlags, makeFlags: string, buildT
 
     if buildStatus.built:
       break
+    elif buildStatus.error.nBl:
+      errors.add buildStatus.error
 
   if buildStatus.buildPath.len > 0:
     let libraryExists = findFile(lname, buildStatus.buildPath, regex = true).len > 0
@@ -231,7 +234,7 @@ proc buildLibrary(lname, outdir, conFlags, cmakeFlags, makeFlags: string, buildT
       make(buildStatus.buildPath, lname, makeFlags, regex = true)
       buildStatus.built = true
 
-  let error = if buildStatus.error.len > 0: buildStatus.error else: "No build files found in " & outdir
+  let error = if errors.len > 0: errors.join("\n") else: "No build files found in " & outdir
   doAssert buildStatus.built, &"\nBuild configuration failed - {error}\n"
 
   result = findFile(lname, outdir, regex = true)