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configure: use C++ for all tests, kill CFLAGS

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This commit is contained in:
David Adam 2013-09-22 19:54:09 +08:00
parent 6990871efd
commit 00a890c8c7
1 changed files with 7 additions and 8 deletions
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15
configure.ac
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@ -98,18 +98,18 @@ fi
#
AC_PROG_CXX([g++ c++])
AC_PROG_CPP
AC_PROG_INSTALL
AC_LANG(C++)
echo "CXXFLAGS: $CXXFLAGS"
#
# Detect directories which may contain additional headers, libraries
# and commands. This needs to be done early - before Autoconf starts
# to mess with CFLAGS and all the other environemnt variables.
# to mess with CXXFLAGS and all the other environemnt variables.
#
# This mostly helps OS X users, since fink usually installs out of
# tree and doesn't update CFLAGS.
# tree and doesn't update CXXFLAGS.
#
# It also helps FreeBSD which puts libiconv in /usr/local/lib
@ -119,7 +119,6 @@ for i in /usr/pkg /sw /opt /opt/local /usr/local; do
if test -d $i/include; then
AC_MSG_RESULT(yes)
CXXFLAGS="$CXXFLAGS -I$i/include/"
CFLAGS="$CFLAGS -I$i/include/"
else
AC_MSG_RESULT(no)
fi
@ -329,7 +328,7 @@ if test "$glibc" = yes; then
# fallback.h, in order to keep fish working on non-gnu platforms.
#
CFLAGS="$CFLAGS -D_GNU_SOURCE=1 -D_ISO99_SOURCE=1"
CXXFLAGS="$CXXFLAGS -D_GNU_SOURCE=1 -D_ISO99_SOURCE=1"
else
AC_MSG_RESULT(no)
fi
@ -606,7 +605,7 @@ AC_CHECK_HEADER(
# conditional definition of __EXTENSIONS__, to avoid redundant tests.
#
XCFLAGS="$CXXFLAGS"
XCXXFLAGS="$CXXFLAGS"
echo checking how to use -D_XOPEN_SOURCE=600 and -D_POSIX_C_SOURCE=200112L...
local_found_posix_switch=no
@ -614,7 +613,7 @@ local_found_posix_switch=no
for i in "" "-D_POSIX_C_SOURCE=200112L" "-D_XOPEN_SOURCE=600 -D_POSIX_C_SOURCE=200112L"; do
AC_MSG_CHECKING( if switches \"$i\" works)
CFLAGS="$XCFLAGS $i"
CXXFLAGS="$XCXXFLAGS $i"
#
# Try to run this program, which should test various extensions
@ -688,7 +687,7 @@ done
#
if test ! x$local_found_posix_switch = xyes; then
CFLAGS="$XCFLAGS"
CXXFLAGS="$XCXXFLAGS"
fi