--- FreeImage/Makefile.gnu	2015-03-10 09:04:00.000000000 +0530
+++ FreeImage-patch/Makefile.gnu	2021-08-27 10:38:11.313999758 +0530
@@ -5,17 +5,18 @@
 
 # General configuration variables:
 DESTDIR ?= /
-INCDIR ?= $(DESTDIR)/usr/include
-INSTALLDIR ?= $(DESTDIR)/usr/lib
+INCDIR ?= @TERMUX_PREFIX@/include
+INSTALLDIR ?= @TERMUX_PREFIX@/lib
 
 # Converts cr/lf to just lf
 DOS2UNIX = dos2unix
 
-LIBRARIES = -lstdc++
+LIBRARIES = -lstdc++ -lm
 
 MODULES = $(SRCS:.c=.o)
 MODULES := $(MODULES:.cpp=.o)
-CFLAGS ?= -O3 -fPIC -fexceptions -fvisibility=hidden
+CFLAGS ?=
+CFLAGS += -O3 -fPIC -fexceptions -fvisibility=hidden -DTEMP_DIRECTORY=@TERMUX_PREFIX@/tmp
 # OpenJPEG
 CFLAGS += -DOPJ_STATIC
 # LibRaw
@@ -23,7 +26,8 @@
 # LibJXR
 CFLAGS += -DDISABLE_PERF_MEASUREMENT -D__ANSI__
 CFLAGS += $(INCLUDE)
-CXXFLAGS ?= -O3 -fPIC -fexceptions -fvisibility=hidden -Wno-ctor-dtor-privacy
+CXXFLAGS ?=
+CXXFLAGS += -O3 -fPIC -fexceptions -fvisibility=hidden -Wno-ctor-dtor-privacy
 # LibJXR
 CXXFLAGS += -D__ANSI__
 CXXFLAGS += $(INCLUDE)
@@ -71,9 +75,9 @@
 
 install:
 	install -d $(INCDIR) $(INSTALLDIR)
-	install -m 644 -o root -g root $(HEADER) $(INCDIR)
-	install -m 644 -o root -g root $(STATICLIB) $(INSTALLDIR)
-	install -m 755 -o root -g root $(SHAREDLIB) $(INSTALLDIR)
+	install -m 644 $(HEADER) $(INCDIR)
+	install -m 644 $(STATICLIB) $(INSTALLDIR)
+	install -m 755 $(SHAREDLIB) $(INSTALLDIR)
 	ln -sf $(SHAREDLIB) $(INSTALLDIR)/$(VERLIBNAME)
 	ln -sf $(VERLIBNAME) $(INSTALLDIR)/$(LIBNAME)	
 #	ldconfig