From 7a862170e72d7fd0bb253d31d085ce69dcc440fd Mon Sep 17 00:00:00 2001
From: hippoz <foo@example.com>
Date: Wed, 30 Jun 2021 00:54:32 +0300
Subject: [PATCH] add flex package

---
 flex/Makefile | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 flex/Makefile

diff --git a/flex/Makefile b/flex/Makefile
new file mode 100644
index 0000000..82b1d2d
--- /dev/null
+++ b/flex/Makefile
@@ -0,0 +1,15 @@
+prepare:
+	wget -O flex.tar.gz https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz
+	tar -xf flex.tar.gz
+	cd flex
+make:
+	@./configure \
+		--prefix=/usr \
+		ac_cv_func_malloc_0_nonnull=yes \
+		ac_cv_func_realloc_0_nonnull=yes
+	make
+install:
+	make install DESTDIR="${PREFIX}"
+	ln -s flex "$1/usr/bin/lex"
+uninstall:
+	make uninstall