Delete dead platforms and unused APIs

Author: kornelski

CMakeLists.txt

@@ -144,7 +144,6 @@ set(ZLIB_SRCS
     gzread.c
     gzwrite.c
     inflate.c
-    infback.c
     inftrees.c
     inffast.c
     trees.c

Makefile.in

@@ -52,10 +52,10 @@ mandir = ${prefix}/share/man
 man3dir = ${mandir}/man3
 pkgconfigdir = ${libdir}/pkgconfig
 
-OBJZ = adler32.o adler32_simd.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o
+OBJZ = adler32.o adler32_simd.o crc32.o deflate.o inffast.o inflate.o inftrees.o trees.o zutil.o
 OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o
 
-PIC_OBJZ = adler32.lo adler32_simd.lo crc32.lo deflate.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo zutil.lo
+PIC_OBJZ = adler32.lo adler32_simd.lo crc32.lo deflate.lo inffast.lo inflate.lo inftrees.lo trees.lo zutil.lo
 PIC_OBJG = compress.lo uncompr.lo gzclose.lo gzlib.lo gzread.lo gzwrite.lo
 
 ifneq ($(findstring -DINFLATE_CHUNK_SIMD_NEON, $(CFLAGS)),)
@@ -293,7 +293,7 @@ gzclose.o gzlib.o gzread.o gzwrite.o: zlib.h zconf.h gzguts.h
 compress.o example.o minigzip.o uncompr.o: zlib.h zconf.h
 crc32.o: zutil.h zlib.h zconf.h crc32.h
 deflate.o: deflate.h zutil.h zlib.h zconf.h
-infback.o inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inffixed.h inffast_chunk.h chunkcopy.h
+inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inffixed.h inffast_chunk.h chunkcopy.h
 inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
 inffast_chunk.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast_chunk.h chunkcopy.h
 inftrees.o: zutil.h zlib.h zconf.h inftrees.h
@@ -305,7 +305,7 @@ gzclose.lo gzlib.lo gzread.lo gzwrite.lo: zlib.h zconf.h gzguts.h
 compress.lo example.lo minigzip.lo uncompr.lo: zlib.h zconf.h
 crc32.lo: zutil.h zlib.h zconf.h crc32.h
 deflate.lo: deflate.h zutil.h zlib.h zconf.h
-infback.lo inflate.lo: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inffixed.h inffast_chunk.h chunkcopy.h
+inflate.lo: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inffixed.h inffast_chunk.h chunkcopy.h
 inffast.lo: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
 inffast_chunk.lo: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast_chunk.h chunkcopy.h
 inftrees.lo: zutil.h zlib.h zconf.h inftrees.h