Fix a compiler warning when -Wshadow is used.

[libserialport.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 35f9d74df78b2019883899da7ad711d74298bf09..b8589d05fd6404860e72921f920acfd2e6ec5f77 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -33,15 +33,13 @@ AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([autostuff])
 AC_CONFIG_AUX_DIR([autostuff])
 
-AC_CANONICAL_TARGET
-
 # We require at least automake 1.11 (needed for 'silent rules').
 AM_INIT_AUTOMAKE([1.11 -Wall -Werror check-news])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
 # Enable more compiler warnings.
-CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes"
+CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes -Wshadow"
 
 # Checks for programs.
 AC_PROG_CC
@@ -79,7 +77,7 @@ AC_SUBST(SP_LIB_LDFLAGS)
 SP_PKGLIBS=""
 SP_LIBS=""
 
-case $target_os in
+case $host_os in
 *linux*)
        AM_CONDITIONAL([LINUX], true)
        AM_CONDITIONAL([WIN32], false)