diff options
Diffstat (limited to 'pcap-config.in')
| -rw-r--r-- | pcap-config.in | 98 |
1 files changed, 81 insertions, 17 deletions
diff --git a/pcap-config.in b/pcap-config.in index 54ca42f0..6039ef33 100644 --- a/pcap-config.in +++ b/pcap-config.in @@ -12,13 +12,15 @@ prefix="@prefix@" exec_prefix="@exec_prefix@" includedir="@includedir@" libdir="@libdir@" -V_RPATH_OPT="@V_RPATH_OPT@" LIBS="@LIBS@" -PACKAGE_NAME="@PACKAGE_NAME@" +LIBS_STATIC="@LIBS_STATIC@" +VERSION="@PACKAGE_VERSION@" static=0 +static_pcap_only=0 show_cflags=0 show_libs=0 +show_additional_libs=0 while [ "$#" != 0 ] do case "$1" in @@ -27,6 +29,10 @@ do static=1 ;; + --static-pcap-only) + static_pcap_only=1 + ;; + --cflags) show_cflags=1 ;; @@ -38,49 +44,107 @@ do --additional-libs) show_additional_libs=1 ;; + + -h|--help) + echo "Usage: pcap-config [ --help ] [--version] [ --static | --static-pcap-only ] [ --libs | --additional-libs ]" + exit 0 + ;; + + --version) + echo "$VERSION" + exit 0 + ;; + + *) + echo "pcap-config: Invalid command-line option $1 specified" 1>&2 + echo "Usage: pcap-config [ --help ] [ --static | --static-pcap-only ] [ --libs | --additional-libs ]" 1>&2 + exit 1 + ;; esac shift done -if [ "$V_RPATH_OPT" != "" ] + +# +# If we aren't installing in /usr, then provide a -L flag to let build +# processes find our library. +# +# (We must check $prefix, as $libdir isn't necessarily /usr/lib in this +# case - for example, Linux distributions for 64-bit platforms that +# also provide support for binaries for a 32-bit version of the +# platform may put the 64-bit libraries, the 32-bit libraries, or both +# in directories other than /usr/lib.) +# +if [ "$prefix" != "/usr" ] +then + LPATH=-L$libdir +fi +if [ "$static" = 1 ] then # - # If libdir isn't /usr/lib, add it to the run-time linker path. + # Include LIBS_STATIC so that the flags include libraries + # containing routines that libpcap uses, and libraries + # containing routines those libraries use, etc., so that a + # completely statically linked program - i.e., linked only with + # static libraries - will be linked with all necessary + # libraries. # - if [ "$libdir" != "/usr/lib" ] + if [ "$show_cflags" = 1 -a "$show_libs" = 1 ] + then + echo "-I$includedir $LPATH -l@PACKAGE_NAME@ $LIBS_STATIC" + elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ] + then + echo "-I$includedir $LPATH $LIBS_STATIC" + elif [ "$show_cflags" = 1 ] + then + echo "-I$includedir" + elif [ "$show_libs" = 1 ] + then + echo "$LPATH -l@PACKAGE_NAME@ $LIBS_STATIC" + elif [ "$show_additional_libs" = 1 ] then - RPATH=$V_RPATH_OPT$libdir + echo "$LIBS_STATIC" fi -fi -if [ "$static" = 1 ] +elif [ "$static_pcap_only" = 1 ] then # - # Include LIBS so that the flags include libraries containing - # routines that libpcap uses. + # Include LIBS so that the flags include libraries + # containing routines that libpcap uses, but not the libraries + # on which libpcap depends, so that an otherwise + # dynamically-linked program, linked statically only with + # libpcap - i.e., linked with a static libpcap and dynamic + # versions of other libraries - will be linked with all + # necessary libraries. # if [ "$show_cflags" = 1 -a "$show_libs" = 1 ] then - echo "-I$includedir -L$libdir -lpcap $LIBS" + echo "-I$includedir $LPATH -l@PACKAGE_NAME@ $LIBS" elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ] then - echo "-I$includedir -L$libdir $LIBS" + echo "-I$includedir $LPATH $LIBS" elif [ "$show_cflags" = 1 ] then echo "-I$includedir" elif [ "$show_libs" = 1 ] then - echo "-L$libdir -lpcap $LIBS" + echo "$LPATH -l@PACKAGE_NAME@ $LIBS" elif [ "$show_additional_libs" = 1 ] then echo "$LIBS" fi else # - # Omit LIBS - libpcap is assumed to be linked with those - # libraries, so there's no need to do so explicitly. + # Don't included LIBS or LIBS_STATIC, for building a program + # with a dynamic libpcap; libpcap, being a dynamic library, will + # cause all of its dynamic-library dependencies to be pulled in + # at run time. + # + # Do, however, include RPATH, to make sure that, on platforms + # that require this, programs built with this version of + # libpcap can find it at run time. # if [ "$show_cflags" = 1 -a "$show_libs" = 1 ] then - echo "-I$includedir -L$libdir $RPATH -l$PACKAGE_NAME" + echo "-I$includedir $LPATH @RPATH@ -l@PACKAGE_NAME@" elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ] then echo "-I$includedir" @@ -89,6 +153,6 @@ else echo "-I$includedir" elif [ "$show_libs" = 1 ] then - echo "-L$libdir $RPATH -l$PACKAGE_NAME" + echo "$LPATH @RPATH@ -l@PACKAGE_NAME@" fi fi |