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Replace -isystem compile flag with -I

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Using `-isystem` flag causes compilation errors with GCC10.
Replace it with `-I` flag.

Fixes #1805

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
This commit is contained in:
Anatol Pomozov 2020-06-01 09:24:40 -07:00
commit 9da2e4f5d4
1 changed files with 7 additions and 16 deletions
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23
configure.ac
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@ -115,15 +115,6 @@ dnl Some test cases require Boost
AX_BOOST_BASE(,,,)
AC_SUBST(BOOST_CPPFLAGS)
dnl How to specify include directories that may be system directories.
# -I should not be used on system directories (GCC)
if test "$GCC" = yes; then
ISYSTEM="-isystem "
else
ISYSTEM="-I"
fi
AC_MSG_NOTICE(ISYSTEM: $ISYSTEM)
dnl Info for building shared libraries ... in order to run the examples
# SO is the extension of shared libraries (including the dot!)
@ -484,7 +475,7 @@ AC_ARG_WITH(tcl,
[ --with-tcl=path Set location of Tcl package],[
TCLPACKAGE="$withval"], [TCLPACKAGE="$alllang_default"])
AC_ARG_WITH(tclincl,[ --with-tclincl=path Set location of Tcl include directory],[
TCLINCLUDE="$ISYSTEM$withval"], [TCLINCLUDE=])
TCLINCLUDE="-I$withval"], [TCLINCLUDE=])
AC_ARG_WITH(tcllib,[ --with-tcllib=path Set location of Tcl library directory],[
TCLLIB="-L$withval"], [TCLLIB=])
@ -526,7 +517,7 @@ else
AC_MSG_RESULT(found $TCLCONFIG/tclConfig.sh)
. $TCLCONFIG/tclConfig.sh
if test -z "$TCLINCLUDE"; then
TCLINCLUDE=`echo $TCL_INCLUDE_SPEC | sed "s/-I/$ISYSTEM/"`
TCLINCLUDE=`echo $TCL_INCLUDE_SPEC`
fi
if test -z "$TCLLIB"; then
TCLLIB=$TCL_LIB_SPEC
@ -535,7 +526,7 @@ fi
if test -z "$TCLINCLUDE"; then
if test "x$TCLPACKAGE" != xyes; then
TCLINCLUDE="$ISYSTEM$TCLPACKAGE/include"
TCLINCLUDE="-I$TCLPACKAGE/include"
fi
fi
@ -553,7 +544,7 @@ if test -z "$TCLINCLUDE"; then
for i in $dirs ; do
if test -r $i/tcl.h; then
AC_MSG_RESULT($i)
TCLINCLUDE="$ISYSTEM$i"
TCLINCLUDE="-I$i"
break
fi
done
@ -1004,7 +995,7 @@ if test -n "$PERL"; then
AC_MSG_RESULT($PERL5LIB)
fi
AC_MSG_CHECKING(for Perl5 ccflags)
PERL5CCFLAGS=`($PERL -e 'use Config; print $Config{ccflags}, "\n"' | sed "s/-Wdeclaration-after-statement//" | sed "s/-I/$ISYSTEM/") 2>/dev/null`
PERL5CCFLAGS=`($PERL -e 'use Config; print $Config{ccflags}, "\n"' | sed "s/-Wdeclaration-after-statement//") 2>/dev/null`
if test -z "$PERL5CCFLAGS" ; then
AC_MSG_RESULT(not found)
else
@ -2326,7 +2317,7 @@ if test "$LUABIN"; then
# look for the header files & set LUAFLAGS accordingly
# will clear LUABIN if not present
if test -n "$LUAINCLUDE"; then
AC_CHECK_FILE($LUAINCLUDE/lua.h,[LUAFLAGS="$ISYSTEM$LUAINCLUDE"],[LUABIN=])
AC_CHECK_FILE($LUAINCLUDE/lua.h,[LUAFLAGS="-I$LUAINCLUDE"],[LUABIN=])
else
LUA_OK="1"
CFLAGS_SAVED=$CFLAGS
@ -2350,7 +2341,7 @@ if test "$LUABIN"; then
#echo "$i"
if test -r $i/lua.h; then
AC_MSG_RESULT($i/lua.h)
LUAFLAGS="$ISYSTEM$i"
LUAFLAGS="-I$i"
break
fi
done