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configure
executable file
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configure
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#!/bin/sh -e
#####################################################
# this configure-script searches for the needed includes
# and libraries.
#
# it is MUCH faster, smaller as GNU autoconf and does what I want. :-)
# if you have a very unusual setup or you are cross-compiling
# you can edit "Local.mak" to fit your needs and to reflect your setup
#
# The Makefiles should support parallel builds.
#
#######################################################
version=0.2.3
DIRS=""
for dir in $@; do
DIRS="$DIRS `cd $dir; pwd`"
done
DIRS="$DIRS /usr /usr/local"
echo $DIRS
CF=""
LIBS=
LDIRS=
err() {
echo
echo ERROR: $1
echo
err_occ=Y
exit 1
}
#adds an includedir to $CF
add_include() {
for _dir in -I/usr/include ${CF}; do
if test "-I$1" = "${_dir}"; then
return 0
fi
done
CF="${CF} -I$1"
}
add_lib() {
LIBS="$LIBS -l$2"
for _libs in -L/usr/lib64 -L/usr/lib ${LDIRS}; do
if test "-L$1" = "${_libs}"; then
return 0
fi
done
LDIRS="${LDIRS} -L$1"
}
# check for includes
search_includes() {
for dir in ${DIRS}; do
for incdir in /include ""; do
for dbn in "" ${subdirs}; do
if test -r ${dir}${incdir}${dbn}/$1; then
add_include ${dir}${incdir}${dbn}
echo Found: $1 at ${dir}${incdir}${dbn}
return 0
fi
done
done
done
return 1
}
# check for libs
search_lib() {
for dbn in $@; do
for dir in ${DIRS}; do
for libdir in /lib64 /lib ""; do
for suffix in so dylib obj a; do
if test -r ${dir}${libdir}/lib${dbn}.${suffix}; then
add_lib ${dir}${libdir} ${dbn};
echo Found: lib${dbn}.${suffix} at ${dir}${libdir}
return 0
fi
done
done
done
done
return 1
}
######################## e2fsprogs
subdirs="/lib"
search_includes ext2fs/ext2fs.h || err "Ext2progs header files were not found (ex2fs.h)"
search_includes e2p/e2p.h || err "Ext2progs header files were not found (e2p.h)"
search_lib ext2fs && \
search_lib com_err || \
err "The ext2progs libraries were not found. Try installing e2fsprogs-dev"
##### Try to compile them all together and show the versions.
cat >conftest.c <<EOF
#include <e2p/e2p.h>
main(){ const char *v, *d; ext2fs_get_library_version(&v,&d);
printf("\nThe version of the e2fs library is: %s, %s\n", v, d);return 0;}
EOF
#Assume we can compile conftest, else fail.
echo gcc $LDIRS $CF $CFLAGS conftest.c $LIBS -o conftest >> conftest.log
gcc $LDIRS $CF $CFLAGS conftest.c $LIBS -o conftest || err "Unable to execute a freshly compiled application, maybe you have to adjust your LD_LIBRARY_PATH or /etc/ld.so.conf"
if [ -f conftest ];then
./conftest || err "Unable to run configuration test"
#OK, remove conftest
rm -f conftest.c conftest conftest.log
else
err "Unable to compile a minimal application. Look at 'conftest.log' for errors"
exit 1
fi
echo
echo "LDFLAGS :${LIBS}${LDIRS}"
echo "PREFIX :${prefix:=/usr/local}"
echo "CPPFLAGS :${CF}"
echo "CFLAGS :${CFLAGS:=-Wall}"
echo "VERSION :${version}"
echo
cat >Local.mak <<EOF
CPPFLAGS=$CF
CFLAGS=${CFLAGS}
LDFLAGS=$LDIRS
LIBS=$LIBS
CC=${CC:=gcc}
LD=${LD:=ld}
STRIP=${STRIP:=strip}
prefix=${prefix}
basedir=${basedir}
mandir=${mandir:=man}
VERSION=${version}
EOF
for dirs in /bin /usr/bin /usr/local/bin /sw/bin; do
for make in gmake make; do
if ${dirs}/${make} -v 2>/dev/null | grep GNU; then
mak=${dirs}/${make}
fi
done
done
echo
if test ! -z "${mak}"; then
echo A usable "make" executable was found in ${mak}
else
echo No usable "make" executable found.
exit 1
fi
echo
if test "x${err_occ}" = "xY"; then
echo
echo An error occured. Please edit 'Local.mak' manually if compiling fails.
exit 1
fi
exit 0
return 0
fi
done
LDIRS="${LDIRS} -L$1"
}
# check for includes
search_includes() {
for dir in ${DIRS}; do
for incdir in /include ""; do
for dbn in "" ${subdirs}; do
if test -r ${dir}${incdir}${dbn}/$1; then
add_include ${dir}${incdir}${dbn}
echo Found: $1 at ${dir}${incdir}${dbn}
return 0
fi
done
done
done
return 1
}
# check for libs
search_lib() {
for dbn in $@; do
for dir in ${DIRS}; do
for libdir in /lib64 /lib ""; do
for suffix in so dylib obj a; do
if test -r ${dir}${libdir}/lib${dbn}.${suffix}; then
add_lib ${dir}${libdir} ${dbn};
echo Found: lib${dbn}.${suffix} at ${dir}${libdir}
return 0
fi
done
done
done
done
return 1
}
######################## e2fsprogs
subdirs="/lib"
search_includes ext2fs/ext2fs.h || err "Ext2progs header files were not found (ex2fs.h)"
search_includes e2p/e2p.h || err "Ext2progs header files were not found (e2p.h)"
search_lib ext2fs && \
search_lib com_err || \
err "The ext2progs librarys were not found. Try installing e2fsprogs-dev"
##### Try to compile them all together and show the versions.
cat >conftest.c <<EOF
#include <e2p/e2p.h>
main(){ const char *v, *d; ext2fs_get_library_version(&v,&d);
printf("\nThe version of the e2fs library is: %s, %s\n", v, d);return 0;}
EOF
if gcc $LDIRS $CF $CFLAGS conftest.c $LIBS -o conftest &>conftest.log ; then
./conftest || err "Unable to execute a freshly compiled application, maybe you have to adjust your LD_LIBRARY_PATH or /etc/ld.so.conf"
rm -f conftest.c conftest conftest.log
else
err "Unable to compile a minimal application look at 'conftest.log' for errors"
echo gcc $LIBS $LDIRS $CF $CFLAGS conftest.c -o conftest >>conftest.log
exit 1
fi
echo
echo "LDFLAGS :${LIBS}${LDIRS}"
echo "PREFIX :${prefix:=/usr/local}"
echo "CPPFLAGS :${CF}"
echo "CFLAGS :${CFLAGS:=-Wall}"
echo "VERSION :${version}"
echo
cat >Local.mak <<EOF
CPPFLAGS=$CF
CFLAGS=${CFLAGS}
LDFLAGS=$LDIRS
LIBS=$LIBS
CC=${CC:=gcc}
LD=${LD:=ld}
STRIP=${STRIP:=strip}
prefix=${prefix}
basedir=${basedir}
mandir=${mandir:=man}
VERSION=${version}
EOF
for dirs in /bin /usr/bin /usr/local/bin /sw/bin; do
for make in gmake make; do
if ${dirs}/${make} -v 2>/dev/null | grep GNU; then
mak=${dirs}/${make}
fi
done
done
echo
if test ! -z "${mak}"; then
echo A usable "make" executable was found in ${mak}
else
echo No usable "make" executable found.
exit 1
fi
echo
if test "x${err_occ}" = "xY"; then
echo
echo An error occured. Please edit 'Local.mak' manually if compiling fails.
exit 1
fi
exit 0