5 files changed, 92 insertions, 0 deletions
diff --git a/LICENSE b/LICENSE
new file mode 120000
index 0000000..d24842f
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1 @@
+COPYING
+\ No newline at end of file
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..c6e6456
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,17 @@
+name: "flex"
+description:
+    "The Fast Lexical Analyzer - scanner generator for lexing in C and C++"
+
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "http://flex.sourceforge.net/"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/westes/flex"
+  }
+  version: "flex-2.5.39"
+  last_upgrade_date { year: 2018 month: 5 day: 22 }
+  license_type: NOTICE
+}
diff --git a/MODULE_LICENSE_BSD_LIKE b/MODULE_LICENSE_BSD_LIKE
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_BSD_LIKE
diff --git a/NOTICE b/NOTICE
new file mode 120000
index 0000000..d24842f
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1 @@
+COPYING
+\ No newline at end of file
diff --git a/src/Android.bp b/src/Android.bp
new file mode 100644
index 0000000..8184a67
--- /dev/null
+++ b/src/Android.bp
@@ -0,0 +1,73 @@
+cc_binary_host {
+    name: "flex",
+
+    stl: "none",
+    srcs: [
+        "ccl.c",
+        "dfa.c",
+        "ecs.c",
+        "scanflags.c",
+        "gen.c",
+        "main.c",
+        "misc.c",
+        "nfa.c",
+        "parse.y",
+        "scan.l",
+        "sym.c",
+        "tblcmp.c",
+        "yylex.c",
+        "options.c",
+        "scanopt.c",
+        "buf.c",
+        "tables.c",
+        "tables_shared.c",
+        "filter.c",
+        "regex.c",
+
+        ":flex_skel.c",
+    ],
+
+    cflags: [
+        "-DHAVE_ALLOCA=1",
+        "-DHAVE_LIMITS_H=1",
+        "-DHAVE_UNISTD_H=1",
+        "-DHAVE_NETINET_IN_H=1",
+        "-DHAVE_SYS_WAIT_H=1",
+        "-DHAVE_STDBOOL_H=1",
+        "-DHAVE_REGEX_H=1",
+        "-DSTDC_HEADERS=1",
+        "-DVERSION=\"2.6.4\"",
+
+        // TODO: This should use a hermetic m4 -- this is a default that can be overwritten
+        // overwritten with the M4 environment variable, which may be simpler within the build.
+        "-DM4=\"m4\"",
+
+        "-Wno-pointer-sign",
+
+        "-Wno-unused-parameter",
+        "-Wno-unused-variable",
+        "-Wno-unused-label",
+
+        "-Wno-error=dangling-else",
+        "-Wno-error=incompatible-pointer-types-discards-qualifiers",
+        "-Wno-error=int-conversion",
+    ],
+}
+
+genrule {
+    name: "flex_skel.c",
+    // This is lightly modified from Makefile.am
+    cmd: "/bin/bash $(location mkskel.sh) `dirname $(in)` m4 2.6.4 >$(out)",
+    tool_files: [
+        "mkskel.sh",
+        "flexint.h",
+        "tables_shared.c",
+        "tables_shared.h",
+    ],
+    srcs: [
+        "flex.skl",
+    ],
+    out: [
+        "skel.c",
+    ],
+}