nginx-module-lua: Explicitely build with PCRE1.

alpine/Makefile.module-lua

diff --git a/alpine/Makefile.module-lua b/alpine/Makefile.module-lua
index adb378b..979f730 100644
--- a/alpine/Makefile.module-lua
+++ b/alpine/Makefile.module-lua
@@ -58,6 +58,9 @@
 endef
 export MODULE_PREBUILD_lua
 
+MODULE_LD_OPT_lua=-lpcre
+MODULE_LD_OPT_DEBUG_lua=$(MODULE_LD_OPT_lua)
+
 define MODULE_ENV_lua
 LUAJIT_INC="../luajit2-$(LUAJIT2_VERSION)/usr/include/nginx-luajit-2.1" LUAJIT_LIB="../luajit2-$(LUAJIT2_VERSION)/usr/lib"
 endef

debian/Makefile.module-lua

diff --git a/debian/Makefile.module-lua b/debian/Makefile.module-lua
index 913e709..f80ecca 100644
--- a/debian/Makefile.module-lua
+++ b/debian/Makefile.module-lua
@@ -67,6 +67,9 @@
 endef
 export MODULE_PREBUILD_lua
 
+MODULE_LD_OPT_lua=-lpcre
+MODULE_LD_OPT_DEBUG_lua=$(MODULE_LD_OPT_lua)
+
 define MODULE_ENV_lua
 LUAJIT_INC="$$(LUAJIT_INC_$$(shell echo $$@ | cut -d '.' -f 3))" LUAJIT_LIB="$$(LUAJIT_LIB_$$(shell echo $$@ | cut -d '.' -f 3))"
 endef

rpm/SPECS/Makefile.module-lua

diff --git a/rpm/SPECS/Makefile.module-lua b/rpm/SPECS/Makefile.module-lua
index 580f2bc..7a9ebfd 100644
--- a/rpm/SPECS/Makefile.module-lua
+++ b/rpm/SPECS/Makefile.module-lua
@@ -61,6 +61,9 @@
 endef
 export MODULE_PREBUILD_lua
 
+MODULE_LD_OPT_lua=-lpcre
+MODULE_LD_OPT_DEBUG_lua=$(MODULE_LD_OPT_lua)
+
 define MODULE_ENV_lua
 LUAJIT_INC="%{LUAJIT_INC}" \\
 LUAJIT_LIB="%{LUAJIT_LIB}" \\