remove unused configure check for HAVE_STDARG_H

Sebastian Pop · Dead2 · commit 10c4c68e5c70 · 2019-01-09T15:41:01.000+01:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -234,7 +234,6 @@ endif()
 # Check for unistd.h and stdarg.h
 #
 check_include_file(unistd.h Z_HAVE_UNISTD_H)
-check_include_file(stdarg.h Z_HAVE_STDARG_H)
 
 if(WITH_SANITIZERS AND WITH_MSAN)
     message(FATAL_ERROR "Memory sanitizer is incompatible with address sanitizer")
@@ -564,7 +563,6 @@ macro(generate_cmakein input output)
 
         if (_line STREQUAL "#define ZCONF_H")
             file(APPEND ${output} "#cmakedefine Z_HAVE_UNISTD_H\n")
-            file(APPEND ${output} "#cmakedefine Z_HAVE_STDARG_H\n")
         endif()
     endforeach()
 endmacro(generate_cmakein)
diff --git a/Makefile.in b/Makefile.in
@@ -365,7 +365,7 @@ distclean: clean
 	@if [ -f zconf.h.in ]; then \
 	cp -p $(SRCDIR)/zconf.h.in zconf.h ; \
 	TEMPFILE=zconfh_$$ ; \
-	echo "/#define ZCONF_H/ a\\\n#cmakedefine Z_HAVE_UNISTD_H\\n#cmakedefine Z_HAVE_STDARG_H\n" >> $$TEMPFILE &&\
+	echo "/#define ZCONF_H/ a\\\n#cmakedefine Z_HAVE_UNISTD_H\\n" >> $$TEMPFILE &&\
 	sed -f $$TEMPFILE $(SRCDIR)/zconf.h.in > zconf.h.cmakein &&\
 	touch -r $(SRCDIR)/zconf.h.in zconf.h.cmakein &&\
 	rm $$TEMPFILE ; fi
diff --git a/configure b/configure
@@ -709,19 +709,6 @@ fi
 
 echo >> configure.log
 
-# check for stdarg.h and save result in zconf.h
-cat > $test.c <<EOF
-#include <stdarg.h>
-int main() { return 0; }
-EOF
-if try $CC -c $CFLAGS $test.c; then
-  sed < zconf${SUFFIX}.h "/^#ifdef HAVE_STDARG_H.* may be/s/def HAVE_STDARG_H\(.*\) may be/ 1\1 was/" > zconf${SUFFIX}.temp.h
-  mv zconf${SUFFIX}.temp.h zconf${SUFFIX}.h
-  echo "Checking for stdarg.h... Yes." | tee -a configure.log
-else
-  echo "Checking for stdarg.h... No." | tee -a configure.log
-fi
-
 # if --zlib-compat was requested
 if test $compat -eq 1; then
   gzfileops=1
diff --git a/zconf-ng.h.in b/zconf-ng.h.in
@@ -111,10 +111,6 @@ typedef void       *voidp;
 #  define Z_HAVE_UNISTD_H
 #endif
 
-#ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
-#  define Z_HAVE_STDARG_H
-#endif
-
 #include <sys/types.h>      /* for off_t */
 #include <stdarg.h>         /* for va_list */
 
diff --git a/zconf.h.in b/zconf.h.in
@@ -111,10 +111,6 @@ typedef void       *voidp;
 #  define Z_HAVE_UNISTD_H
 #endif
 
-#ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
-#  define Z_HAVE_STDARG_H
-#endif
-
 #include <sys/types.h>      /* for off_t */
 #include <stdarg.h>         /* for va_list */
 
