diff -uNr haproxy-1.9.5/Makefile haproxy-1.9.5.mod/Makefile
--- haproxy-1.9.5/Makefile	2019-03-19 15:40:44.000000000 +0200
+++ haproxy-1.9.5.mod/Makefile	2019-03-27 15:36:22.262501763 +0200
@@ -127,10 +127,10 @@
 
 #### Installation options.
 DESTDIR =
-PREFIX = /usr/local
-SBINDIR = $(PREFIX)/sbin
+PREFIX ?= /usr/local
+SBINDIR = $(PREFIX)/bin
 MANDIR = $(PREFIX)/share/man
-DOCDIR = $(PREFIX)/doc/haproxy
+DOCDIR = $(PREFIX)/share/doc/haproxy
 
 #### TARGET system
 # Use TARGET=<target_name> to optimize for a specifc target OS among the
@@ -154,7 +154,7 @@
 
 #### Toolchain options.
 # GCC is normally used both for compiling and linking.
-CC = gcc
+CC ?= gcc
 LD = $(CC)
 
 #### Debug flags (typically "-g").
@@ -264,13 +264,13 @@
 # These CFLAGS contain general optimization options, CPU-specific optimizations
 # and debug flags. They may be overridden by some distributions which prefer to
 # set all of them at once instead of playing with the CPU and DEBUG variables.
-CFLAGS = $(ARCH_FLAGS) $(CPU_CFLAGS) $(DEBUG_CFLAGS) $(SPEC_CFLAGS)
+CFLAGS = $(ARCH_FLAGS) $(CPU_CFLAGS) $(DEBUG_CFLAGS) $(SPEC_CFLAGS) -I@TERMUX_PREFIX@/include
 
 #### Common LDFLAGS
 # These LDFLAGS are used as the first "ld" options, regardless of any library
 # path or any other option. They may be changed to add any linker-specific
 # option at the beginning of the ld command line.
-LDFLAGS = $(ARCH_FLAGS) -g
+LDFLAGS = $(ARCH_FLAGS) -g -L@TERMUX_PREFIX@/lib
 
 #### Target system options
 # Depending on the target platform, some options are set, as well as some
@@ -692,7 +692,7 @@
 ifeq ($(LUA_LIB_NAME),)
 $(error unable to automatically detect the Lua library name, you can enforce its name with LUA_LIB_NAME=<name> (where <name> can be lua5.3, lua53, lua, ...))
 endif
-LUA_INC := $(firstword $(foreach lib,lua5.3 lua53 lua,$(call check_lua_inc,$(lib),"/usr/include/")))
+LUA_INC := $(firstword $(foreach lib,lua5.3 lua53 lua,$(call check_lua_inc,$(lib),"@TERMUX_PREFIX@/include/")))
 ifneq ($(LUA_INC),)
 OPTIONS_CFLAGS  += -I$(LUA_INC)
 endif
@@ -774,12 +774,8 @@
 # Forcing PCREDIR to an empty string will let the compiler use the default
 # locations.
 
-PCRE_CONFIG    	:= pcre-config
-PCREDIR	        := $(shell $(PCRE_CONFIG) --prefix 2>/dev/null || echo /usr/local)
-ifneq ($(PCREDIR),)
-PCRE_INC        := $(PCREDIR)/include
-PCRE_LIB        := $(PCREDIR)/lib
-endif
+PCRE_INC        := @TERMUX_PREFIX@/include
+PCRE_LIB        := @TERMUX_PREFIX@/lib
 
 ifeq ($(USE_STATIC_PCRE),)
 # dynamic PCRE