bring back PIC support

[libfirm] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5c09fcf..f2e04c6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -26,11 +26,14 @@ AC_DEFINE([libfirm_VERSION_MAJOR], [firm_major_version], [Firms major version nu
 AC_DEFINE([libfirm_VERSION_MINOR], [firm_minor_version], [Firms minor version number])
 AC_DEFINE([libfirm_VERSION_MICRO], [firm_micro_version], [Firms micro version number])
 
+dnl enable libtool
+LT_INIT([win32-dll])
+
 dnl generate the config header file
 AC_CONFIG_HEADER([config.h])
 
 dnl keep track of the environment set by the user
-libfirm_conf_env="${CC+CC='$CC'} ${CFLAGS+CFLAGS='$CFLAGS'} ${CPP+CPP='$CPP'} ${CPPFLAGS+CPPFLAGS='$CPPFLAGS'} ${LDFLAGS+LDFLAGS='$LDFLAGS'} ${LIBS+LIBS='$LIBS'}"
+libfirm_conf_env="${CC+CC='$CC'} ${CFLAGS+CFLAGS='$CFLAGS'} ${CPP+CPP='$CPP'} ${CPPFLAGS+CPPFLAGS='$CPPFLAGS'} ${LDFLAGS+LDFLAGS='$LDFLAGS'} ${LIBS+LIBS='$LIBS -lm'}"
 AC_SUBST(libfirm_conf_env)
 
 dnl Package options
@@ -106,7 +109,6 @@ dnl ====================
 dnl check for a C compiler
 dnl ----------------------
 AC_PROG_CC
-AC_PROG_LIBTOOL
 
 AC_PATH_PROGS(PERL, perl perl5)