diff options
Diffstat (limited to 'bin/mklib')
| -rwxr-xr-x | bin/mklib | 149 |
1 files changed, 97 insertions, 52 deletions
@@ -25,6 +25,80 @@ # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# Given a list of files, look for .a archives and unpack them. +# Return the original list of files minus the .a files plus the unpacked files. +expand_archives() { + FILES=$@ + NEWFILES="" + for FILE in $FILES ; do + case $FILE in + *.a) + # extract the .o files from this .a archive + MEMBERS=`ar t $FILE` + ar x $FILE + NEWFILES="$NEWFILES $MEMBERS" + ;; + *) + # other file type, just add to list + NEWFILES="$NEWFILES $FILE" + ;; + esac + done + echo $NEWFILES +} + + +# Given a list of files, look for .a archives and return a list of all objects +# in the .a archives. +contents_of_archives() { + FILES=$@ + NEWFILES="" + for FILE in $FILES ; do + case $FILE in + *.a) + # get list of members in this .a archive + MEMBERS=`ar t $FILE` + NEWFILES="$NEWFILES $MEMBERS" + ;; + *) + # skip other file types + ;; + esac + done + echo $NEWFILES +} + + +# Print usage info. +usage() { + echo 'Usage: mklib [options] objects' + echo 'Create a shared library from object files.' + echo ' -o LIBRARY specifies the name of the resulting library, without' + echo ' the leading "lib" or any suffix.' + echo ' (eg: "-o GL" might result in "libGL.so" being made)' + echo ' -major N specifies major version number (default is 1)' + echo ' -minor N specifies minor version number (default is 0)' + echo ' -patch N specifies patch version number (default is 0)' + echo ' -lLIBRARY specifies a dependency on LIBRARY' + echo ' -LDIR search in DIR for library dependencies at build time' + echo ' -RDIR search in DIR for library dependencies at run time' + echo ' -linker L explicity specify the linker program to use (eg: gcc, g++)' + echo ' Not observed on all systems at this time.' + echo ' -ldflags OPT specify any additional linker flags in OPT' + echo ' -cplusplus link with C++ runtime' + echo ' -static make a static library (default is dynamic/shared)' + echo ' -dlopen make a shared library suitable for dynamic loading' + echo ' -install DIR put resulting library file(s) in DIR' + echo ' -arch ARCH override using `uname` to determine host system' + echo ' -archopt OPT specify an extra achitecture-specific option OPT' + echo ' -altopts OPTS alternate options to override all others' + echo " -noprefix don't prefix library name with 'lib' nor add any suffix" + echo ' -exports FILE only export the symbols listed in FILE' + echo ' -id NAME Sets the id of the dylib (Darwin)' + echo ' -h, --help display this information and exit' +} + + # # Option defaults # @@ -52,31 +126,7 @@ while true do case $1 in '-h' | '--help') - echo 'Usage: mklib [options] objects' - echo 'Create a shared library from object files.' - echo ' -o LIBRARY specifies the name of the resulting library, without' - echo ' the leading "lib" or any suffix.' - echo ' (eg: "-o GL" might result in "libGL.so" being made)' - echo ' -major N specifies major version number (default is 1)' - echo ' -minor N specifies minor version number (default is 0)' - echo ' -patch N specifies patch version number (default is 0)' - echo ' -lLIBRARY specifies a dependency on LIBRARY' - echo ' -LDIR search in DIR for library dependencies at build time' - echo ' -RDIR search in DIR for library dependencies at run time' - echo ' -linker L explicity specify the linker program to use (eg: gcc, g++)' - echo ' Not observed on all systems at this time.' - echo ' -ldflags OPT specify any additional linker flags in OPT' - echo ' -cplusplus link with C++ runtime' - echo ' -static make a static library (default is dynamic/shared)' - echo ' -dlopen make a shared library suitable for dynamic loading' - echo ' -install DIR put resulting library file(s) in DIR' - echo ' -arch ARCH override using `uname` to determine host system' - echo ' -archopt OPT specify an extra achitecture-specific option OPT' - echo ' -altopts OPTS alternate options to override all others' - echo " -noprefix don't prefix library name with 'lib' nor add any suffix" - echo ' -exports FILE only export the symbols listed in FILE' - echo ' -id NAME Sets the id of the dylib (Darwin)' - echo ' -h, --help display this information and exit' + usage exit 1 ;; '-o') @@ -197,11 +247,11 @@ fi # Error checking # if [ "x${LIBNAME}" = "x" ] ; then - echo "mklib: Error: no library name specified" + echo "mklib: Error: no library name specified (-h for help)" exit 1 fi if [ "x${OBJECTS}" = "x" ] ; then - echo "mklib: Error: no object files specified" + echo "mklib: Error: no object files specified (-h for help)" exit 1 fi @@ -269,45 +319,29 @@ case $ARCH in # finish up FINAL_LIBS="${LIBNAME}" elif [ $STATIC = 1 ] ; then + # make a static .a library LIBNAME="lib${LIBNAME}.a" # prefix with "lib", suffix with ".a" echo "mklib: Making" $ARCH "static library: " ${LIBNAME} - LINK="ar" OPTS="-ru" if [ "${ALTOPTS}" ] ; then OPTS=${ALTOPTS} fi - rm -f ${LIBNAME} - # expand any .a objects into constituent .o files. - NEWOBJECTS="" - DELETIA="" - for OBJ in $OBJECTS ; do - case $OBJ in - *.a) - # extract the .o files from this .a archive - FILES=`ar t $OBJ` - ar x $OBJ - NEWOBJECTS="$NEWOBJECTS $FILES" - # keep track of temporary .o files and delete them below - DELETIA="$DELETIA $FILES" - ;; - *) - # ordinary .o file - NEWOBJECTS="$NEWOBJECTS $OBJ" - ;; - esac - done + # expand .a into .o files + NEW_OBJECTS=`expand_archives $OBJECTS` - # make lib - ${LINK} ${OPTS} ${LIBNAME} ${NEWOBJECTS} + # make static lib + rm -f ${LIBNAME} + ar ${OPTS} ${LIBNAME} ${NEW_OBJECTS} ranlib ${LIBNAME} # remove temporary extracted .o files - rm -f ${DELETIA} + rm -f `contents_of_archives $OBJECTS` # finish up FINAL_LIBS=${LIBNAME} else + # make dynamic library LIBNAME="lib${LIBNAME}" # prefix with "lib" case $ARCH in 'Linux' | 'GNU' | GNU/*) OPTS="-Xlinker -Bsymbolic -shared -Wl,-soname,${LIBNAME}.so.${MAJOR}" @@ -489,13 +523,24 @@ case $ARCH in ${LINK} ${OPTS} ${LDFLAGS} -o ${LIBNAME} ${OBJECTS} ${DEPS} FINAL_LIBS=${LIBNAME} elif [ $STATIC = 1 ] ; then + # make a static .a library STLIB="lib${LIBNAME}.a" echo "mklib: Making FreeBSD static library: " ${STLIB} + + # expand .a into .o files + NEW_OBJECTS=`expand_archives $OBJECTS` + + # make static lib rm -f ${STLIB} - ar cq ${STLIB} ${OBJECTS} + ar cq ${STLIB} ${NEW_OBJECTS} ranlib ${STLIB} + + # remove temporary extracted .o files + rm -f `contents_of_archives $OBJECTS` + FINAL_LIBS=${STLIB} else + # make dynamic library SHLIB="lib${LIBNAME}.so.${MAJOR}" OPTS="-shared -Wl,-soname,${SHLIB}" if [ "${ALTOPTS}" ] ; then |