653 lines
17 KiB
Plaintext
653 lines
17 KiB
Plaintext
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#!/bin/sh -x
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# The above : is necessary on some buggy systems.
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# configure: Guess values for system-dependent variables
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# Output the flag definitions to the file "flags".
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# Parameters: $1 = $(CC), $2 = $(CFLAGS), $3 = $(IZ_BZIP2)
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# To construct unzip automatically using this file, type
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# "make -f unix/Makefile generic".
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# If this fails, then type "make list" to get a list of special targets.
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trap "rm -f conftest* core a.out; exit 1" 1 2 3 15
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CC=${1-cc}
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CFLAGS=${2}
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CFLAGSR=${CFLAGS}
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IZ_BZIP2=${3}
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CFLAGS="${CFLAGS} -I. -DUNIX"
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LFLAGS1=""
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LFLAGS2="-s"
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LN="ln -s"
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CFLAGS_OPT=''
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CFLAGS_BZ=''
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BZLF=''
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echo "Check C compiler operation"
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cat > conftest.c << _EOF_
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int main()
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{
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c
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status=$?
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if test $status -ne 0; then
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echo ''
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echo "C compiler \"${CC}\" does not work as expected."
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echo "Failing command was: $CC $CFLAGS -c conftest.c"
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exit $status
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else
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echo ' Ok'
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fi
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echo 'Check C compiler type (optimization options)'
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# Sun C?
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cat > conftest.c << _EOF_
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int main()
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{
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#ifndef __SUNPRO_C
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bad code
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#endif
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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if test $? -eq 0; then
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CFLAGS_OPT='-xO3'
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echo " Sun C ($CFLAGS_OPT)"
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else
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# Tru64 DEC/Compaq/HP C?
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cat > conftest.c << _EOF_
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int main()
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{
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#ifndef __DECC
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bad code
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#endif
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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if test $? -eq 0; then
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CFLAGS_OPT='-O3'
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echo " DEC C ($CFLAGS_OPT)"
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else
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# HP-UX HP C?
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cat > conftest.c << _EOF_
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int main()
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{
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#ifdef __GNUC__
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bad code
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#endif
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#ifndef __hpux
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bad code
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#endif
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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if test $? -eq 0; then
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# HP-UX, not GCC. Lame bundled or real ANSI compiler?
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CFLAGS_OPT_TRY="+O3 +Onolimit"
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$CC $CFLAGS $CFLAGS_OPT_TRY -c conftest.c 2>&1 | \
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grep '(Bundled)' > /dev/null
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if test $? -ne 0; then
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CFLAGS_OPT="$CFLAGS_OPT_TRY"
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echo " HP-UX ANSI C ($CFLAGS_OPT)"
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else
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echo ' HP-UX Bundled C (no opt)'
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fi
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else
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# GNU C?
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cat > conftest.c << _EOF_
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int main()
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{
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#ifndef __GNUC__
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bad code
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#endif
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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if test $? -eq 0; then
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CFLAGS_OPT='-O3'
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echo " GNU C ($CFLAGS_OPT)"
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# Special Mac OS X shared library "ld" option?
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if test ` uname -s 2> /dev/null ` = 'Darwin'; then
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lf='-Wl,-search_paths_first'
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$CC $CFLAGS $lf conftest.c > /dev/null 2>/dev/null
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if test $? -eq 0; then
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BZLF=${lf}
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fi
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rm -f conftest
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fi
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else
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CFLAGS_OPT='-O'
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echo " Other-unknown C ($CFLAGS_OPT)"
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fi
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fi
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fi
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fi
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# optimization flags
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if test -n "${CFLAGS_OPT}"; then
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CFLAGSR="${CFLAGSR} ${CFLAGS_OPT}"
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CFLAGS_BZ="${CFLAGS_BZ} ${CFLAGS_OPT}"
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fi
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echo Check for the C preprocessor
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# on SVR4, cc -E does not produce correct assembler files. Need /lib/cpp.
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CPP="${CC} -E"
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# solaris as(1) needs -P, maybe others as well ?
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[ -f /usr/ccs/lib/cpp ] && CPP="/usr/ccs/lib/cpp -P"
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[ -f /usr/lib/cpp ] && CPP=/usr/lib/cpp
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[ -f /lib/cpp ] && CPP=/lib/cpp
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[ -f /usr/bin/cpp ] && CPP=/usr/bin/cpp
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[ -f /xenix ] && CPP="${CC} -E"
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[ -f /lynx.os ] && CPP="${CC} -E"
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echo "#include <stdio.h>" > conftest.c
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$CPP conftest.c >/dev/null 2>/dev/null || CPP="${CC} -E"
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echo Check if we can use asm code
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CRC32OA=""
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if eval "$CPP crc_i386.S > _crc_i386.s 2>/dev/null"; then
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if test ! -s _crc_i386.s || grep error < _crc_i386.s > /dev/null; then
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:
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elif eval "$CC -c _crc_i386.s >/dev/null 2>/dev/null" && [ -f _crc_i386.o ]; then
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CFLAGSR="${CFLAGSR} -DASM_CRC"
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CRC32OA="crc_gcc.o"
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echo "int foo() { return 0;}" > conftest.c
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$CC -c conftest.c >/dev/null 2>/dev/null
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echo Check if compiler generates underlines
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nm conftest.o | grep "(^|[^_])foo" >/dev/null 2>/dev/null
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[ $? -eq 0 ] && CPP="${CPP} -DNO_UNDERLINE"
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fi
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fi
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rm -f _crc_i386.s _crc_i386.o
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# ANSI options for compilers that don't have __STDC__ defined by default
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# Currently HPUX, pyramid, Dynix, AIX, OSF/1 and ultrix
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echo Check for ANSI options
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cat > conftest.c << _EOF_
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int main()
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{
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#ifndef __STDC__
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forget it
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#endif
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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for OPT in "-Aa -D_HPUX_SOURCE" -Xa -qlanglvl=ansi -std1 -std
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do
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$CC $CFLAGS $OPT -c conftest.c > /dev/null 2>/dev/null
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[ $? -eq 0 ] && CFLAGSR="${CFLAGSR} ${OPT}" && break
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done
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fi
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echo Check for prototypes
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echo "int main(int argc, char *argv[]) { return 0; }" > conftest.c
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$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_PROTO"
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# const check currently handles mips cc and non ANSI compilers.
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# does it need more ?
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echo Check the handling of const
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cat > conftest.c << _EOF_
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typedef int charset[2];
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int main()
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{
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const charset x;
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const char *foo;
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_CONST"
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echo Check for time_t
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cat > conftest.c << _EOF_
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#include <sys/types.h>
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#include <time.h>
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int main()
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{
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time_t t;
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_TIME_T"
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echo Check for size_t
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cat > conftest.c << _EOF_
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#include <sys/types.h>
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int main()
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{
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size_t s;
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_SIZE_T"
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echo Check for off_t
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cat > conftest.c << _EOF_
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#include <sys/types.h>
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int main()
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{
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off_t s;
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_OFF_T"
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# Added 11/4/2003 EG
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# Revised 8/12/04 EG
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# Now we set the 64-bit file environment and check the size of off_t
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echo Check for Large File Support
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cat > conftest.c << _EOF_
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# define _LARGEFILE_SOURCE /* some OSes need this for fseeko */
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# define _LARGEFILE64_SOURCE
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# define _FILE_OFFSET_BITS 64 /* select default interface as 64 bit */
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# define _LARGE_FILES /* some OSes need this for 64-bit off_t */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdio.h>
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int main()
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{
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off_t offset;
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struct stat s;
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/* see if have 64-bit off_t */
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if (sizeof(offset) < 8)
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return 1;
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printf(" off_t is %d bytes\n", sizeof(off_t));
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/* see if have 64-bit stat */
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if (sizeof(s.st_size) < 8) {
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printf(" s.st_size is %d bytes\n", sizeof(s.st_size));
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return 2;
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}
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return 3;
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}
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_EOF_
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# compile it
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$CC -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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echo -- no Large File Support
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else
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# run it
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./conftest
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r=$?
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if [ $r -eq 1 ]; then
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echo -- no Large File Support - no 64-bit off_t
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elif [ $r -eq 2 ]; then
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echo -- no Large File Support - no 64-bit stat
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elif [ $r -eq 3 ]; then
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echo -- yes we have Large File Support!
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CFLAGSR="${CFLAGSR} -DLARGE_FILE_SUPPORT"
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else
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echo -- no Large File Support - conftest returned $r
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fi
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fi
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# Added 11/24/2005 EG
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# Check for wide char for Unicode support
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echo Check for wide char support
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cat > conftest.c << _EOF_
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#include <stdlib.h>
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#include <stdio.h>
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#include <wchar.h>
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int main()
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{
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size_t wsize;
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wchar_t *wide_string;
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if ((wide_string = (wchar_t *)malloc(4 * sizeof(wchar_t))) == NULL) {
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return 0;
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}
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/* get wide string */
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wsize = mbstowcs(wide_string, "foo", 3);
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wide_string[wsize] = (wchar_t) NULL;
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#ifndef __STDC_ISO_10646__
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return 1;
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#else
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printf(" __STDC_ISO_10646__ = %d\n", __STDC_ISO_10646__);
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return 2;
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#endif
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}
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_EOF_
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# compile it
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$CC -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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echo "-- no Unicode (wchar_t) support"
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else
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# have wide char support
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# run it
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./conftest
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r=$?
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if [ $r -eq 0 ]; then
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echo -- no Unicode wchar_t support - wchar_t allocation error
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elif [ $r -eq 1 ]; then
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echo -- no Unicode support - wchar_t encoding unspecified
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elif [ $r -eq 2 ]; then
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echo -- have wchar_t with known UCS encoding - enabling Unicode support!
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CFLAGSR="${CFLAGSR} -DUNICODE_SUPPORT -DUNICODE_WCHAR"
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else
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echo "-- no Unicode (wchar_t) support - conftest returned $r"
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fi
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fi
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echo "Check for setlocale support (needed for UNICODE Native check)"
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cat > conftest.c << _EOF_
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#include <locale.h>
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int main()
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{
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char *loc = setlocale(LC_CTYPE, "");
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return 0;
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}
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_EOF_
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$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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if [ $? -eq 0 ]; then
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echo "-- have setlocale, can check for charset type"
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echo "-- - enabling UTF8-native support!"
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CFLAGSR="${CFLAGSR} -DUNICODE_SUPPORT -DUTF8_MAYBE_NATIVE"
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else
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echo "-- no Unicode (UTF-8 native) support!"
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CFLAGSR="${CFLAGSR} -DNO_SETLOCALE"
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fi
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# from configure 2.4i (Onno) 12/5/04
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echo Check for gcc no-builtin flag
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# -fno-builtin since version 2
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cat > conftest.c << _EOF_
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int main()
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{
|
||
|
|
#if __GNUC__ >= 2
|
||
|
|
return 0;
|
||
|
|
#else
|
||
|
|
forget it
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
_EOF_
|
||
|
|
$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && BFLAG="-fno-builtin"
|
||
|
|
|
||
|
|
# Check for missing functions
|
||
|
|
# add NO_'function_name' to flags if missing
|
||
|
|
for func in fchmod fchown lchown nl_langinfo
|
||
|
|
do
|
||
|
|
echo Check for $func
|
||
|
|
echo "int main(){ $func(); return 0; }" > conftest.c
|
||
|
|
$CC $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`"
|
||
|
|
done
|
||
|
|
|
||
|
|
# Check (seriously) for a working lchmod.
|
||
|
|
echo 'Check for lchmod'
|
||
|
|
temp_file="/tmp/unzip_test_$$"
|
||
|
|
temp_link="link_$$"
|
||
|
|
( echo '#include <unistd.h>' ; \
|
||
|
|
echo "int main() { lchmod(\"${temp_file}\", 0666); }" \
|
||
|
|
) > conftest.c
|
||
|
|
ln -s "${temp_link}" "${temp_file}" && \
|
||
|
|
$CC $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null && \
|
||
|
|
./conftest
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_LCHMOD"
|
||
|
|
rm -f "${temp_file}"
|
||
|
|
|
||
|
|
echo Check for memset
|
||
|
|
echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c
|
||
|
|
$CC -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DZMEM"
|
||
|
|
|
||
|
|
echo Check for errno declaration
|
||
|
|
cat > conftest.c << _EOF_
|
||
|
|
#include <errno.h>
|
||
|
|
main()
|
||
|
|
{
|
||
|
|
errno = 0;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
_EOF_
|
||
|
|
$CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_ERRNO"
|
||
|
|
|
||
|
|
echo Check for directory libraries
|
||
|
|
cat > conftest.c << _EOF_
|
||
|
|
int main() { return closedir(opendir(".")); }
|
||
|
|
_EOF_
|
||
|
|
|
||
|
|
$CC -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
if [ $? -ne 0 ]; then
|
||
|
|
OPT=""
|
||
|
|
for lib in ndir dir ucb bsd BSD PW x dirent
|
||
|
|
do
|
||
|
|
$CC -o conftest conftest.c -l$lib >/dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && OPT=-l$lib && break
|
||
|
|
done
|
||
|
|
if [ ${OPT} ]; then
|
||
|
|
LFLAGS2="${LFLAGS2} ${OPT}"
|
||
|
|
else
|
||
|
|
CFLAGSR="${CFLAGSR} -DNO_DIR"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Dynix/ptx 1.3 needed this
|
||
|
|
echo Check for readlink
|
||
|
|
echo "int main(){ return readlink(); }" > conftest.c
|
||
|
|
$CC -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
if [ $? -ne 0 ]; then
|
||
|
|
$CC -o conftest conftest.c -lseq >/dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && LFLAGS2="${LFLAGS2} -lseq"
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo Check for directory include file
|
||
|
|
OPT=""
|
||
|
|
for inc in dirent.h sys/ndir.h ndir.h sys/dir.h
|
||
|
|
do
|
||
|
|
echo "#include <$inc>" > conftest.c
|
||
|
|
$CPP conftest.c > /dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && OPT="-DHAVE_`echo $inc | tr '[a-z]./' '[A-Z]__'`" && break
|
||
|
|
done
|
||
|
|
CFLAGSR="${CFLAGSR} ${OPT}"
|
||
|
|
|
||
|
|
echo Check for non existent include files
|
||
|
|
for inc in stdlib.h stddef.h unistd.h fcntl.h string.h langinfo.h
|
||
|
|
do
|
||
|
|
echo "#include <$inc>" > conftest.c
|
||
|
|
$CPP conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_`echo $inc | tr '[a-z]./' '[A-Z]__'`"
|
||
|
|
done
|
||
|
|
|
||
|
|
echo Check for term I/O include file
|
||
|
|
OPT=""
|
||
|
|
for inc in termios.h termio.h sgtty.h
|
||
|
|
do
|
||
|
|
echo "#include <$inc>" > conftest.c
|
||
|
|
$CPP conftest.c > /dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && OPT="-DHAVE_`echo $inc | tr '[a-z]./' '[A-Z]__'`" && break
|
||
|
|
done
|
||
|
|
CFLAGSR="${CFLAGSR} ${OPT}"
|
||
|
|
|
||
|
|
echo Check for MBCS include files
|
||
|
|
OPT=""
|
||
|
|
for inc in mbstring.h mbctype.h
|
||
|
|
do
|
||
|
|
echo "#include <$inc>" > conftest.c
|
||
|
|
$CPP conftest.c > /dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && OPT="-DHAVE_`echo $inc | tr '[a-z]./' '[A-Z]__'`" && break
|
||
|
|
done
|
||
|
|
CFLAGSR="${CFLAGSR} ${OPT}"
|
||
|
|
|
||
|
|
# Check for MBCS support
|
||
|
|
echo Check for MBCS support
|
||
|
|
cat > conftest.c << _EOF_
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <wchar.h>
|
||
|
|
#ifdef HAVE_MBSTRING_H
|
||
|
|
# include <mbstring.h>
|
||
|
|
#endif
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
char *tst;
|
||
|
|
tst = "Hallo";
|
||
|
|
return mblen(tst, MB_CUR_MAX);
|
||
|
|
}
|
||
|
|
_EOF_
|
||
|
|
# compile it
|
||
|
|
$CC ${CFLAGS} ${CFLAGSR} -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
if [ $? -ne 0 ]; then
|
||
|
|
echo "-- no MBCS support"
|
||
|
|
CFLAGSR="${CFLAGSR} -DNO_MBCS"
|
||
|
|
else
|
||
|
|
#
|
||
|
|
echo "-- have MBCS support"
|
||
|
|
CFLAGSR="${CFLAGSR} -D_MBCS"
|
||
|
|
# check for library-supplied functions
|
||
|
|
# add FUNCTION_NAME='function_name' to flags if found
|
||
|
|
for func in mbschr mbsrchr
|
||
|
|
do
|
||
|
|
echo Check for MBCS $func
|
||
|
|
echo "int main() { $func(); return 0; }" > conftest.c
|
||
|
|
$CC $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && CFLAGSR="${CFLAGSR} -D`echo $func | tr '[a-z]' '[A-Z]'`=$func"
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
|
||
|
|
# needed for AIX (and others ?) when mmap is used
|
||
|
|
echo Check for valloc
|
||
|
|
cat > conftest.c << _EOF_
|
||
|
|
main()
|
||
|
|
{
|
||
|
|
#ifdef MMAP
|
||
|
|
valloc();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
_EOF_
|
||
|
|
$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null
|
||
|
|
[ $? -ne 0 ] && CFLAGSR="${CFLAGSR} -DNO_VALLOC"
|
||
|
|
|
||
|
|
echo Check for /usr/local/bin and /usr/local/man
|
||
|
|
BINDIR=$HOME/bin
|
||
|
|
[ -d /usr/local/bin ] && BINDIR=/usr/local/bin
|
||
|
|
|
||
|
|
MANDIR=manl
|
||
|
|
[ -d /usr/man/manl ] && MANDIR=/usr/man/manl
|
||
|
|
[ -d /usr/local/man/manl ] && MANDIR=/usr/local/man/manl
|
||
|
|
[ -d /usr/local/man/man1 ] && MANDIR=/usr/local/man/man1
|
||
|
|
|
||
|
|
echo Checking for OS specialties
|
||
|
|
if [ -f /usr/bin/hostinfo ]; then
|
||
|
|
if /usr/bin/hostinfo | grep NeXT > /dev/null; then
|
||
|
|
CFLAGSR="${CFLAGSR} -posix"
|
||
|
|
LFLAGS1="${LFLAGS1} -posix -object"
|
||
|
|
fi
|
||
|
|
# XXX ATT6300, Cray
|
||
|
|
elif [ -f /xenix ]; then
|
||
|
|
if uname -p | grep 286 > /dev/null; then
|
||
|
|
CFLAGSR="${CFLAGSR} -LARGE -Mel2 -DMEDIUM_MEM -DWSIZE=16384 -DNO_VOID"
|
||
|
|
LFLAGS1="${LFLAGS1} -LARGE -Mel2"
|
||
|
|
fi
|
||
|
|
elif uname -X >/dev/null 2>/dev/null; then
|
||
|
|
# SCO shared library check
|
||
|
|
echo "int main() { return 0;}" > conftest.c
|
||
|
|
$CC -o conftest conftest.c -lc_s -nointl >/dev/null 2> /dev/null
|
||
|
|
[ $? -eq 0 ] && LFLAGS2="-lc_s -nointl"
|
||
|
|
else
|
||
|
|
SYSTEM=`uname -s 2>/dev/null` || SYSTEM="unknown"
|
||
|
|
echo "int main() { return 0;}" > conftest.c
|
||
|
|
case $SYSTEM in
|
||
|
|
OSF1|ULTRIX)
|
||
|
|
echo Check for -Olimit option
|
||
|
|
$CC ${CFLAGS} -Olimit 1000 -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
[ $? -eq 0 ] && CFLAGSR="${CFLAGSR} -Olimit 1000"
|
||
|
|
;;
|
||
|
|
### HP-UX)
|
||
|
|
### echo Check for +Onolimit option
|
||
|
|
### $CC ${CFLAGS} +Onolimit -o conftest conftest.c >/dev/null 2>/dev/null
|
||
|
|
### [ $? -eq 0 ] && CFLAGSR="${CFLAGSR} +Onolimit"
|
||
|
|
### ;;
|
||
|
|
### SunOS)
|
||
|
|
### CFLAGSR="${CFLAGSR} -D_FILE_OFFSET_BITS=64"
|
||
|
|
### ;;
|
||
|
|
esac
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo Check for symbolic links
|
||
|
|
ln -s /dev/null null > /dev/null 2>/dev/null || LN=ln
|
||
|
|
|
||
|
|
rm -f a.out conftest.c conftest.o conftest null
|
||
|
|
|
||
|
|
|
||
|
|
# bzip2
|
||
|
|
|
||
|
|
echo "Check bzip2 support"
|
||
|
|
D_USE_BZ2=""
|
||
|
|
LIBBZ2=""
|
||
|
|
L_BZ2=""
|
||
|
|
CC_BZ="${CC}"
|
||
|
|
|
||
|
|
if test -n "${IZ_BZIP2}" -a "${IZ_BZIP2}" != "bzip2" ; then
|
||
|
|
echo " Check for bzip2 compiled library in IZ_BZIP2 (${IZ_BZIP2})"
|
||
|
|
if test -f "${IZ_BZIP2}/libbz2.a"; then
|
||
|
|
#
|
||
|
|
# A bzip2 library built with BZ_NO_STDIO should have an
|
||
|
|
# unresolved external, "bz_internal_error". The default,
|
||
|
|
# full-function library will not mention it.
|
||
|
|
#
|
||
|
|
nm ${IZ_BZIP2}/libbz2.a | grep bz_internal_error > /dev/null
|
||
|
|
if test $? -eq 0; then
|
||
|
|
echo " Found bzip2 BZ_NO_STDIO library, ${IZ_BZIP2}/libbz2.a"
|
||
|
|
if test -f "${IZ_BZIP2}/bzlib.h"; then
|
||
|
|
LIBBZ2="${IZ_BZIP2}/libbz2.a"
|
||
|
|
D_USE_BZ2="-DUSE_BZIP2"
|
||
|
|
L_BZ2="${BZLF} -lbz2"
|
||
|
|
echo "-- Found bzip2 library - linking in bzip2"
|
||
|
|
else
|
||
|
|
echo " ${IZ_BZIP2}/bzlib.h not found"
|
||
|
|
echo "-- Since IZ_BZIP2 defined (!= \"bzip2\"),"
|
||
|
|
echo "-- => skipping OS and bzip2 dir checks."
|
||
|
|
echo "-- NO bzip2 support !"
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo " Found bzip2 library, ${IZ_BZIP2}/libbz2.a,"
|
||
|
|
echo " but library not compiled with BZ_NO_STDIO."
|
||
|
|
echo " ERROR: This (default) variant of bzip2 library is NOT"
|
||
|
|
echo " supported with UnZip because of its incompatible"
|
||
|
|
echo " error handling!"
|
||
|
|
echo " Please see the UnZip installation instructions in"
|
||
|
|
echo " the INSTALL text file."
|
||
|
|
echo " Skipping bzip2 support..."
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo " ${IZ_BZIP2}/libbz2.a not found"
|
||
|
|
echo "-- Since IZ_BZIP2 defined (!= \"bzip2\"),"
|
||
|
|
echo "-- => skipping OS and bzip2 dir checks."
|
||
|
|
echo "-- NO bzip2 support !"
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo " Check for bzip2 sources in unzip's bzip2 subdirectory"
|
||
|
|
if test -f "${IZ_BZIP2}/bzlib.c" -a -f "${IZ_BZIP2}/bzlib.h"; then
|
||
|
|
echo "-- Found bzip2 source in ${IZ_BZIP2}/ directory"
|
||
|
|
echo "-- Will try to build bzip2 library from source and link in"
|
||
|
|
LIBBZ2="${IZ_BZIP2}/libbz2.a"
|
||
|
|
D_USE_BZ2="-DUSE_BZIP2"
|
||
|
|
L_BZ2="${BZLF} -lbz2"
|
||
|
|
else
|
||
|
|
echo "-- bzip2 sources not found - no bzip2 support"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
echo CC=\"${CC}\" CF=\"${CFLAGSR} ${D_USE_BZ2}\" CRCA_O=\"${CRC32OA}\" \
|
||
|
|
AS=\"${CC} -c\" LFLAGS1=\"${LFLAGS1}\" LF2=\"${LFLAGS2}\" \
|
||
|
|
CC_BZ=\"${CC_BZ}\" CFLAGS_BZ=\"${CFLAGS_BZ}\" \
|
||
|
|
IZ_BZIP2=\"${IZ_BZIP2}\" D_USE_BZ2=\"${D_USE_BZ2}\" \
|
||
|
|
L_BZ2=\"${L_BZ2}\" LIBBZ2=\"${LIBBZ2}\" > flags
|