陳文樂 - 2019-12-08

hi，
There is no glibc be used in cygwin . It use the libiconv. In the iconv.h ,
the symbol iconv_open is
a macro definition. The real function is libiconv_open.
I think

diff --git a/configure.ac b/configure.ac
index 302d74d..3e0b9e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,7 @@ AC_PROG_LIBTOOL
# Replace `main' with a function in -lfl:
AC_CHECK_LIB(fl, main)
AC_CHECK_LIB(iconv, iconv_open)
+AC_CHECK_LIB(iconv, libiconv_open)

# Checks for header files.

 
alternate