diff options
Diffstat (limited to 'zlib/configure')
| -rw-r--r-- | zlib/configure | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/zlib/configure b/zlib/configure new file mode 100644 index 000000000..d7ffdc345 --- /dev/null +++ b/zlib/configure @@ -0,0 +1,459 @@ +#!/bin/sh +# configure script for zlib. This script is needed only if +# you wish to build a shared library and your system supports them, +# of if you need special compiler, flags or install directory. +# Otherwise, you can just use directly "make test; make install" +# +# To create a shared library, use "configure --shared"; by default a static +# library is created. If the primitive shared library support provided here +# does not work, use ftp://prep.ai.mit.edu/pub/gnu/libtool-*.tar.gz +# +# To impose specific compiler or flags or install directory, use for example: +# prefix=$HOME CC=cc CFLAGS="-O4" ./configure +# or for csh/tcsh users: +# (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure) +# LDSHARED is the command to be used to create a shared library + +# Incorrect settings of CC or CFLAGS may prevent creating a shared library. +# If you have problems, try without defining CC and CFLAGS before reporting +# an error. + +LIBS=libz.a +LDFLAGS="-L. ${LIBS}" +VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h` +VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h` +VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h` +AR=${AR-"ar rc"} +RANLIB=${RANLIB-"ranlib"} +prefix=${prefix-/usr/local} +exec_prefix=${exec_prefix-'${prefix}'} +libdir=${libdir-'${exec_prefix}/lib'} +includedir=${includedir-'${prefix}/include'} +mandir=${mandir-'${prefix}/share/man'} +shared_ext='.so' +shared=0 +gcc=0 +old_cc="$CC" +old_cflags="$CFLAGS" + +while test $# -ge 1 +do +case "$1" in + -h* | --h*) + echo 'usage:' + echo ' configure [--shared] [--prefix=PREFIX] [--exec_prefix=EXPREFIX]' + echo ' [--libdir=LIBDIR] [--includedir=INCLUDEDIR]' + exit 0;; + -p*=* | --p*=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; + -e*=* | --e*=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; + -l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift;; + -i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift;; + -p* | --p*) prefix="$2"; shift; shift;; + -e* | --e*) exec_prefix="$2"; shift; shift;; + -l* | --l*) libdir="$2"; shift; shift;; + -i* | --i*) includedir="$2"; shift; shift;; + -s* | --s*) shared=1; shift;; + *) echo "unknown option: $1"; echo "$0 --help for help"; exit 1;; + esac +done + +test=ztest$$ +cat > $test.c <<EOF +extern int getchar(); +int hello() {return getchar();} +EOF + +test -z "$CC" && echo Checking for gcc... +cc=${CC-gcc} +cflags=${CFLAGS-"-O3"} +# to force the asm version use: CFLAGS="-O3 -DASMV" ./configure +case "$cc" in + *gcc*) gcc=1;; +esac + +if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then + CC="$cc" + SFLAGS=${CFLAGS-"-fPIC -O3"} + CFLAGS="$cflags" + case `(uname -s || echo unknown) 2>/dev/null` in + Linux | linux | GNU | GNU/*) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1"};; + CYGWIN* | Cygwin* | cygwin* | OS/2* ) + EXE='.exe';; + QNX*) # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4 + # (alain.bonnefoy@icbt.com) + LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"};; + HP-UX*) + LDSHARED=${LDSHARED-"$cc -shared $SFLAGS"} + case `(uname -m || echo unknown) 2>/dev/null` in + ia64) + shared_ext='.so' + SHAREDLIB='libz.so';; + *) + shared_ext='.sl' + SHAREDLIB='libz.sl';; + esac;; + Darwin*) shared_ext='.dylib' + SHAREDLIB=libz$shared_ext + SHAREDLIBV=libz.$VER$shared_ext + SHAREDLIBM=libz.$VER1$shared_ext + LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER"};; + *) LDSHARED=${LDSHARED-"$cc -shared"};; + esac +else + # find system name and corresponding cc options + CC=${CC-cc} + case `(uname -sr || echo unknown) 2>/dev/null` in + HP-UX*) SFLAGS=${CFLAGS-"-O +z"} + CFLAGS=${CFLAGS-"-O"} +# LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"} + LDSHARED=${LDSHARED-"ld -b"} + case `(uname -m || echo unknown) 2>/dev/null` in + ia64) + shared_ext='.so' + SHAREDLIB='libz.so';; + *) + shared_ext='.sl' + SHAREDLIB='libz.sl';; + esac;; + IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."} + CFLAGS=${CFLAGS-"-ansi -O2"} + LDSHARED=${LDSHARED-"cc -shared"};; + OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"} + CFLAGS=${CFLAGS-"-O -std1"} + LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"};; + OSF1*) SFLAGS=${CFLAGS-"-O -std1"} + CFLAGS=${CFLAGS-"-O -std1"} + LDSHARED=${LDSHARED-"cc -shared"};; + QNX*) SFLAGS=${CFLAGS-"-4 -O"} + CFLAGS=${CFLAGS-"-4 -O"} + LDSHARED=${LDSHARED-"cc"} + RANLIB=${RANLIB-"true"} + AR="cc -A";; + SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "} + CFLAGS=${CFLAGS-"-O3"} + LDSHARED=${LDSHARED-"cc -dy -KPIC -G"};; + SunOS\ 5*) SFLAGS=${CFLAGS-"-fast -xcg89 -KPIC -R."} + CFLAGS=${CFLAGS-"-fast -xcg89"} + LDSHARED=${LDSHARED-"cc -G"};; + SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} + CFLAGS=${CFLAGS-"-O2"} + LDSHARED=${LDSHARED-"ld"};; + SunStudio\ 9*) SFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xcode=pic32 -xtarget=ultra3 -xarch=v9b"} + CFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xtarget=ultra3 -xarch=v9b"} + LDSHARED=${LDSHARED-"cc -xarch=v9b"};; + UNIX_System_V\ 4.2.0) + SFLAGS=${CFLAGS-"-KPIC -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"};; + UNIX_SV\ 4.2MP) + SFLAGS=${CFLAGS-"-Kconform_pic -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"};; + OpenUNIX\ 5) + SFLAGS=${CFLAGS-"-KPIC -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"};; + AIX*) # Courtesy of dbakker@arrayasolutions.com + SFLAGS=${CFLAGS-"-O -qmaxmem=8192"} + CFLAGS=${CFLAGS-"-O -qmaxmem=8192"} + LDSHARED=${LDSHARED-"xlc -G"};; + # send working options for other systems to support@gzip.org + *) SFLAGS=${CFLAGS-"-O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -shared"};; + esac +fi + +SHAREDLIB=${SHAREDLIB-"libz$shared_ext"} +SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"} +SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"} + +if test $shared -eq 1; then + echo Checking for shared library support... + # we must test in two steps (cc then ld), required at least on SunOS 4.x + if test "`($CC -c $SFLAGS $test.c) 2>&1`" = "" && + test "`($LDSHARED -o $test$shared_ext $test.o) 2>&1`" = ""; then + CFLAGS="$SFLAGS" + LIBS="$SHAREDLIBV" + echo Building shared library $SHAREDLIBV with $CC. + elif test -z "$old_cc" -a -z "$old_cflags"; then + echo No shared library support. + shared=0; + else + echo 'No shared library support; try without defining CC and CFLAGS' + shared=0; + fi +fi +if test $shared -eq 0; then + LDSHARED="$CC" + echo Building static library $LIBS version $VER with $CC. +else + LDFLAGS="-L. ${SHAREDLIBV}" +fi + +cat > $test.c <<EOF +#include <unistd.h> +int main() { return 0; } +EOF +if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + sed < zconf.in.h "/HAVE_UNISTD_H/s%0%1%" > zconf.h + echo "Checking for unistd.h... Yes." +else + cp -p zconf.in.h zconf.h + echo "Checking for unistd.h... No." +fi + +cat > $test.c <<EOF +#include <stdio.h> +#include <stdarg.h> +#include "zconf.h" + +int main() +{ +#ifndef STDC + choke me +#endif + + return 0; +} +EOF + +if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()" + + cat > $test.c <<EOF +#include <stdio.h> +#include <stdarg.h> + +int mytest(char *fmt, ...) +{ + char buf[20]; + va_list ap; + + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + return 0; +} + +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + + if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then + echo "Checking for vsnprintf() in stdio.h... Yes." + + cat >$test.c <<EOF +#include <stdio.h> +#include <stdarg.h> + +int mytest(char *fmt, ...) +{ + int n; + char buf[20]; + va_list ap; + + va_start(ap, fmt); + n = vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + return n; +} + +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + + if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking for return value of vsnprintf()... Yes." + else + CFLAGS="$CFLAGS -DHAS_vsnprintf_void" + echo "Checking for return value of vsnprintf()... No." + echo " WARNING: apparently vsnprintf() does not return a value. zlib" + echo " can build but will be open to possible string-format security" + echo " vulnerabilities." + fi + else + CFLAGS="$CFLAGS -DNO_vsnprintf" + echo "Checking for vsnprintf() in stdio.h... No." + echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" + echo " can build but will be open to possible buffer-overflow security" + echo " vulnerabilities." + + cat >$test.c <<EOF +#include <stdio.h> +#include <stdarg.h> + +int mytest(char *fmt, ...) +{ + int n; + char buf[20]; + va_list ap; + + va_start(ap, fmt); + n = vsprintf(buf, fmt, ap); + va_end(ap); + return n; +} + +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + + if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking for return value of vsprintf()... Yes." + else + CFLAGS="$CFLAGS -DHAS_vsprintf_void" + echo "Checking for return value of vsprintf()... No." + echo " WARNING: apparently vsprintf() does not return a value. zlib" + echo " can build but will be open to possible string-format security" + echo " vulnerabilities." + fi + fi +else + echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()" + + cat >$test.c <<EOF +#include <stdio.h> + +int mytest() +{ + char buf[20]; + + snprintf(buf, sizeof(buf), "%s", "foo"); + return 0; +} + +int main() +{ + return (mytest()); +} +EOF + + if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then + echo "Checking for snprintf() in stdio.h... Yes." + + cat >$test.c <<EOF +#include <stdio.h> + +int mytest() +{ + char buf[20]; + + return snprintf(buf, sizeof(buf), "%s", "foo"); +} + +int main() +{ + return (mytest()); +} +EOF + + if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking for return value of snprintf()... Yes." + else + CFLAGS="$CFLAGS -DHAS_snprintf_void" + echo "Checking for return value of snprintf()... No." + echo " WARNING: apparently snprintf() does not return a value. zlib" + echo " can build but will be open to possible string-format security" + echo " vulnerabilities." + fi + else + CFLAGS="$CFLAGS -DNO_snprintf" + echo "Checking for snprintf() in stdio.h... No." + echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" + echo " can build but will be open to possible buffer-overflow security" + echo " vulnerabilities." + + cat >$test.c <<EOF +#include <stdio.h> + +int mytest() +{ + char buf[20]; + + return sprintf(buf, "%s", "foo"); +} + +int main() +{ + return (mytest()); +} +EOF + + if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking for return value of sprintf()... Yes." + else + CFLAGS="$CFLAGS -DHAS_sprintf_void" + echo "Checking for return value of sprintf()... No." + echo " WARNING: apparently sprintf() does not return a value. zlib" + echo " can build but will be open to possible string-format security" + echo " vulnerabilities." + fi + fi +fi + +cat >$test.c <<EOF +#include <errno.h> +int main() { return 0; } +EOF +if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + echo "Checking for errno.h... Yes." +else + echo "Checking for errno.h... No." + CFLAGS="$CFLAGS -DNO_ERRNO_H" +fi + +cat > $test.c <<EOF +#include <sys/types.h> +#include <sys/mman.h> +#include <sys/stat.h> +caddr_t hello() { + return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0); +} +EOF +if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then + CFLAGS="$CFLAGS -DUSE_MMAP" + echo Checking for mmap support... Yes. +else + echo Checking for mmap support... No. +fi + +CPP=${CPP-"$CC -E"} +case $CFLAGS in + *ASMV*) + if test "`nm $test.o | grep _hello`" = ""; then + CPP="$CPP -DNO_UNDERLINE" + echo Checking for underline in external names... No. + else + echo Checking for underline in external names... Yes. + fi;; +esac + +rm -f $test.[co] $test $test$shared_ext + +# udpate Makefile +sed < Makefile.in " +/^CC *=/s#=.*#=$CC# +/^CFLAGS *=/s#=.*#=$CFLAGS# +/^CPP *=/s#=.*#=$CPP# +/^LDSHARED *=/s#=.*#=$LDSHARED# +/^LIBS *=/s#=.*#=$LIBS# +/^SHAREDLIB *=/s#=.*#=$SHAREDLIB# +/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# +/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# +/^AR *=/s#=.*#=$AR# +/^RANLIB *=/s#=.*#=$RANLIB# +/^EXE *=/s#=.*#=$EXE# +/^prefix *=/s#=.*#=$prefix# +/^exec_prefix *=/s#=.*#=$exec_prefix# +/^libdir *=/s#=.*#=$libdir# +/^includedir *=/s#=.*#=$includedir# +/^mandir *=/s#=.*#=$mandir# +/^LDFLAGS *=/s#=.*#=$LDFLAGS# +" > Makefile |