Merge pull request #28505 from jmid/ming-support-liblz4

Add Cygwin and MinGW support for liblz4

Author: smorimoto

packages/conf-liblz4/conf-liblz4.1/opam

@@ -4,8 +4,16 @@ homepage: "http://lz4.org"
 bug-reports: "https://github.com/ocaml/opam-repository/issues"
 authors: ["Yann Collet"]
 license: ["GPL-2.0-only" "BSD-2-Clause"]
-build: ["pkg-config" "liblz4"]
-depends: ["conf-pkg-config" {build}]
+build: [
+  ["pkgconf" "--personality=i686-w64-mingw32" "liblz4"] {os = "win32" & os-distribution = "cygwin" & host-arch-x86_32:installed}
+  ["pkgconf" "--personality=x86_64-w64-mingw32" "liblz4"] {os = "win32" & os-distribution = "cygwin" & host-arch-x86_64:installed}
+  ["pkg-config" "liblz4"] {os != "win32" | os-distribution != "cygwin"}
+]
+depends: [
+  "conf-pkg-config" {build}
+  ("host-arch-x86_32" {os = "win32" & os-distribution != "cygwinports"} & "conf-mingw-w64-liblz4-i686" {os = "win32" & os-distribution != "cygwinports"} |
+   "host-arch-x86_64" {os = "win32" & os-distribution != "cygwinports"} & "conf-mingw-w64-liblz4-x86_64" {os = "win32" & os-distribution != "cygwinports"})
+]
 depexts: [
   ["liblz4-dev"] {os-family = "debian"}
   ["liblz4-dev"] {os-family = "ubuntu"}
@@ -17,6 +25,7 @@ depexts: [
   ["liblz4-devel"] {os-family = "suse" | os-family = "opensuse"}
   ["lz4"] {os = "macos" & os-distribution = "homebrew"}
   ["lz4"] {os = "win32" & os-distribution = "cygwinports"}
+  ["liblz4-devel"] {os = "cygwin"}
   ["liblz4"] {os = "freebsd"}
 ]
 synopsis: "Virtual package relying on liblz4 system installation"

packages/conf-mingw-w64-liblz4-i686/conf-mingw-w64-liblz4-i686.1/opam

@@ -0,0 +1,19 @@
+opam-version: "2.0"
+synopsis: "Provides liblz4 for i686 mingw-w64 (32-bit x86)"
+description: "Ensure that the i686 version of liblz4 for the mingw-w64 project is available"
+maintainer: "https://github.com/ocaml/opam-repository/issues"
+authors: ["Yann Collet"]
+license: ["GPL-2.0-only" "BSD-2-Clause"]
+homepage: "http://lz4.org"
+bug-reports: "https://github.com/ocaml/opam-repository/issues"
+flags: conf
+available: os = "win32"
+build: ["pkgconf" "--personality=i686-w64-mingw32" "liblz4"]
+depends: [
+  "conf-pkg-config" {build}
+  "conf-mingw-w64-gcc-i686" {build}
+]
+depexts: [
+  ["mingw64-i686-lz4"] {os = "win32" & os-distribution = "cygwin"}
+  ["mingw-w64-i686-lz4"] {os = "win32" & os-distribution = "msys2"}
+]

packages/conf-mingw-w64-liblz4-x86_64/conf-mingw-w64-liblz4-x86_64.1/opam

@@ -0,0 +1,19 @@
+opam-version: "2.0"
+synopsis: "Provides liblz4 for x86_64 mingw-w64 (64-bit x86_64)"
+description: "Ensure that the x86_64 version of liblz4 for the mingw-w64 project is available"
+maintainer: "https://github.com/ocaml/opam-repository/issues"
+authors: ["Yann Collet"]
+license: ["GPL-2.0-only" "BSD-2-Clause"]
+homepage: "http://lz4.org"
+bug-reports: "https://github.com/ocaml/opam-repository/issues"
+flags: conf
+available: os = "win32"
+build: ["pkgconf" "--personality=x86_64-w64-mingw32" "liblz4"]
+depends: [
+  "conf-pkg-config" {build}
+  "conf-mingw-w64-gcc-x86_64" {build}
+]
+depexts: [
+  ["mingw64-x86_64-lz4"] {os = "win32" & os-distribution = "cygwin"}
+  ["mingw-w64-x86_64-lz4"] {os = "win32" & os-distribution = "msys2"}
+]