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Diffstat (limited to 'gnu/usr.bin/cvs/zlib/configure')
| -rw-r--r-- | gnu/usr.bin/cvs/zlib/configure | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/zlib/configure b/gnu/usr.bin/cvs/zlib/configure new file mode 100644 index 00000000000..a354e4cf407 --- /dev/null +++ b/gnu/usr.bin/cvs/zlib/configure @@ -0,0 +1,86 @@ +#!/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 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 + +LIBS=libz.a +VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h` +AR=${AR-"ar rc"} +RANLIB=${RANLIB-"ranlib"} +prefix=${prefix-/usr/local} +exec_prefix=${exec_prefix-$prefix} + +test -z "$CC" && echo Checking for gcc... +test=ztest$$ +cat > $test.c <<EOF +int hello() { printf("hello\n"); } +EOF +if test -z "$CC" && (gcc -c -O3 $test.c) 2>/dev/null; then + CC=gcc + SFLAGS=${CFLAGS-"-fPIC -O3"} + CFLAGS=${CFLAGS-"-O3"} + LDSHARED=${LDSHARED-"gcc -shared"} +else + # find system name and corresponding cc options + CC=${CC-cc} + case `(uname -sr || echo unknown) 2>/dev/null` in + SunOS\ 5*) SFLAGS=${CFLAGS-"-fast -xcg89 -KPIC -R."} + CFLAGS=${CFLAGS-"-fast -xcg89"} + LDSHARED=${LDSHARED-"cc -G"};; + SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} + CFLAGS=${CFLAGS-"-O2"} + LDSHARED=${LDSHARED-"ld"};; + IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."} + CFLAGS=${CFLAGS-"-ansi -O2"} + LDSHARED=${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=${LDSHARED-"cc -dy -KPIC -G"};; + HP-UX*) SFLAGS=${CFLAGS-"-O +z"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"ld -b"} + SHAREDLIBS='libz.sl';; + # send working options for other systems to gzip@prep.ai.mit.edu + *) SFLAGS=${CFLAGS-"-O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -shared"};; + esac +fi + +echo Checking for shared library support... +# we must test in two steps (cc then ld), required at least on SunOS 4.x +if test "`($CC -c $SFLAGS $test.c) 2>&1`" = "" && + test "`($LDSHARED -o $test.so $test.o) 2>&1`" = ""; then + CFLAGS="$SFLAGS" + LIBS='libz.so.$(VER)' + echo Building shared library libz.so.$VER with $CC. +else + LDSHARED="$CC" + echo Building static library $LIBS version $VER with $CC. +fi +rm -f $test.[co] $test.so + +# udpate Makefile +sed < Makefile.in " +/^CC *=/s/=.*/=$CC/ +/^CFLAGS *=/s/=.*/=$CFLAGS/ +/^LDSHARED *=/s/=.*/=$LDSHARED/ +/^LIBS *=/s,=.*,=$LIBS, +/^AR *=/s/=.*/=$AR/ +/^RANLIB *=/s,=.*,=$RANLIB, +/^VER *=/s/=.*/=$VER/ +/^prefix *=/s,=.*,=$prefix, +/^exec_prefix *=/s,=.*,=$exec_prefix, +" > Makefile |