From 23d77c531e44fd4a4af2c3de2ba13dd6263f9767 Mon Sep 17 00:00:00 2001
From: Codecat <spansjh@gmail.com>
Date: Wed, 11 Jul 2018 18:02:18 +0200
Subject: [PATCH 1/3] Added premake4/GENie script to contrib folder

---
 contrib/premake/premake4.lua |  6 +++
 contrib/premake/zstd.lua     | 79 ++++++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 contrib/premake/premake4.lua
 create mode 100644 contrib/premake/zstd.lua

diff --git a/contrib/premake/premake4.lua b/contrib/premake/premake4.lua
new file mode 100644
index 000000000..6675e2e48
--- /dev/null
+++ b/contrib/premake/premake4.lua
@@ -0,0 +1,6 @@
+-- Include zstd.lua in your GENie or premake4 file, which exposes a project_zstd function
+dofile('zstd.lua')
+
+solution 'example'
+	configurations { 'Debug', 'Release' }
+	project_zstd('../../lib/')
diff --git a/contrib/premake/zstd.lua b/contrib/premake/zstd.lua
new file mode 100644
index 000000000..4759dff76
--- /dev/null
+++ b/contrib/premake/zstd.lua
@@ -0,0 +1,79 @@
+-- This GENie/premake file copies the behavior of the Makefile in the lib folder.
+-- Basic usage: project_zstd(ZSTD_DIR)
+
+function project_zstd(dir, compression, decompression, deprecated, dictbuilder, legacy)
+	if compression == nil then compression = true end
+	if decompression == nil then decompression = true end
+	if deprecated == nil then deprecated = false end
+	if dictbuilder == nil then dictbuilder = false end
+
+	if legacy == nil then legacy = 0 end
+
+	if compression then
+		dictbuilder = false
+		deprecated = false
+	end
+
+	if decompression then
+		legacy = 0
+		deprecated = false
+	end
+
+	project 'zstd'
+		kind 'StaticLib'
+		language 'C'
+
+		files {
+			dir .. 'zstd.h',
+			dir .. 'common/**.c',
+			dir .. 'common/**.h'
+		}
+
+		if compression then
+			files {
+				dir .. 'compress/**.c',
+				dir .. 'compress/**.h'
+			}
+		end
+
+		if decompression then
+			files {
+				dir .. 'decompress/**.c',
+				dir .. 'decompress/**.h'
+			}
+		end
+
+		if dictbuilder then
+			files {
+				dir .. 'dictBuilder/**.c',
+				dir .. 'dictBuilder/**.h'
+			}
+		end
+
+		if deprecated then
+			files {
+				dir .. 'deprecated/**.c',
+				dir .. 'deprecated/**.h'
+			}
+		end
+
+		if legacy < 8 then
+			files {
+				dir .. 'legacy/zstd_v0' .. (legacy - 7) .. '.*'
+			}
+		else
+			includedirs {
+				dir .. 'legacy'
+			}
+		end
+
+		includedirs {
+			dir,
+			dir .. 'common'
+		}
+
+		defines {
+			'XXH_NAMESPACE=ZSTD_',
+			'ZSTD_LEGACY_SUPPORT=' .. legacy
+		}
+end

From 1a61bdb9c08c9b4edc1891c78514510d67906789 Mon Sep 17 00:00:00 2001
From: Codecat <spansjh@gmail.com>
Date: Sat, 14 Jul 2018 12:27:42 +0200
Subject: [PATCH 2/3] Update zstd.lua

---
 contrib/premake/zstd.lua | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/contrib/premake/zstd.lua b/contrib/premake/zstd.lua
index 4759dff76..0f7fc558b 100644
--- a/contrib/premake/zstd.lua
+++ b/contrib/premake/zstd.lua
@@ -57,11 +57,12 @@ function project_zstd(dir, compression, decompression, deprecated, dictbuilder,
 			}
 		end
 
-		if legacy < 8 then
-			files {
-				dir .. 'legacy/zstd_v0' .. (legacy - 7) .. '.*'
-			}
-		else
+		if legacy ~= 0 then
+			if legacy >= 8 then
+				files {
+					dir .. 'legacy/zstd_v0' .. (legacy - 7) .. '.*'
+				}
+			end
 			includedirs {
 				dir .. 'legacy'
 			}

From 044cd81ce6cf4ef6c15bec933166a66a4528bc29 Mon Sep 17 00:00:00 2001
From: Codecat <spansjh@gmail.com>
Date: Sat, 14 Jul 2018 12:34:03 +0200
Subject: [PATCH 3/3] Fix wrong conditions

---
 contrib/premake/zstd.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/premake/zstd.lua b/contrib/premake/zstd.lua
index 0f7fc558b..df1ace3ee 100644
--- a/contrib/premake/zstd.lua
+++ b/contrib/premake/zstd.lua
@@ -9,12 +9,12 @@ function project_zstd(dir, compression, decompression, deprecated, dictbuilder,
 
 	if legacy == nil then legacy = 0 end
 
-	if compression then
+	if not compression then
 		dictbuilder = false
 		deprecated = false
 	end
 
-	if decompression then
+	if not decompression then
 		legacy = 0
 		deprecated = false
 	end