Minor cosmetics, typos, and so on.

[libserialport.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a12de6dcf5e51908f25f6ba2d2efd74e47074119..b441e50408efb3d48ed2458d6e2e6d82f79ac316 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,8 @@ AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li],
 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])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
@@ -56,6 +58,7 @@ AM_PROG_CC_C_O
 LT_INIT
 
 # Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
 PKG_PROG_PKG_CONFIG([0.22])
 
 # Library version for libserialport (NOT the same as the package version).
@@ -74,8 +77,22 @@ AC_SUBST(SP_LIB_VERSION)
 AC_SUBST(SP_LIB_LDFLAGS)
 
 # Checks for header files.
-# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-AC_CHECK_HEADERS([sys/types.h sys/stat.h fcntl.h termios.h sys/ioctl.h errno.h])
+# These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h
+# string.h strings.h sys/types.h sys/stat.h unistd.h
+AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h])
+
+case $target_os in
+*linux*)
+       # On Linux libudev is currently a hard requirement.
+       PKG_CHECK_MODULES([libudev], [libudev >= 0],
+               [CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS"],
+               [AC_MSG_ERROR([libudev.h not found])])
+       ;;
+*darwin*)
+       LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
+       AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
+       ;;
+esac
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_INLINE
@@ -103,7 +120,7 @@ AC_OUTPUT
 echo
 echo "libserialport configuration summary:"
 echo
-echo "  - Package version (major.minor):    $SP_PACKAGE_VERSION"
+echo "  - Package version (major.minor):          $SP_PACKAGE_VERSION"
 echo "  - Library version (current:revision:age): $SP_LIB_VERSION"
 echo "  - Prefix: $prefix"
 echo "  - Building on: $build"