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Improve configure's check for ICU presence. 

Without ICU's header files, "configure --with-icu" would succeed anyway,
at least when using the non-pkgconfig-based setup.  Then you got a bunch of
ugly failures at build.  Add an explicit header check to tighten that up.
This commit is contained in:
Tom Lane 2017-08-05 11:47:28 -04:00
parent 52f8a59dd9
commit f4f41baf29
2 changed files with 28 additions and 12 deletions
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23
configure vendored
View File

@ -13910,17 +13910,27 @@ done
if test "$with_icu" = yes; then
# ICU functions are macros, so we need to do this the long way.
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
# ucol_strcollUTF8() appeared in ICU 50.
# Verify we have ICU's header files
ac_fn_c_check_header_mongrel "$LINENO" "unicode/ucol.h" "ac_cv_header_unicode_ucol_h" "$ac_includes_default"
if test "x$ac_cv_header_unicode_ucol_h" = xyes; then :
else
as_fn_error $? "header file <unicode/ucol.h> is required for ICU" "$LINENO" 5
fi
# ucol_strcollUTF8() appeared in ICU 50, so check if we have it.
# ICU functions are macros, so we need to do this the long way.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ucol_strcollUTF8" >&5
$as_echo_n "checking for ucol_strcollUTF8... " >&6; }
if ${pgac_cv_func_ucol_strcollUTF8+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
ac_save_LIBS=$LIBS
ac_save_LIBS=$LIBS
LIBS="$ICU_LIBS $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -13941,7 +13951,6 @@ else
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CPPFLAGS=$ac_save_CPPFLAGS
LIBS=$ac_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_func_ucol_strcollUTF8" >&5
@ -13951,6 +13960,8 @@ $as_echo "$pgac_cv_func_ucol_strcollUTF8" >&6; }
$as_echo "#define HAVE_UCOL_STRCOLLUTF8 1" >>confdefs.h
fi
CPPFLAGS=$ac_save_CPPFLAGS
fi
# Lastly, restore full LIBS list and check for readline/libedit symbols

17
configure.in
View File

@ -1655,13 +1655,17 @@ AC_CHECK_FUNCS([strtoll strtoq], [break])
AC_CHECK_FUNCS([strtoull strtouq], [break])
if test "$with_icu" = yes; then
# ICU functions are macros, so we need to do this the long way.
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
# ucol_strcollUTF8() appeared in ICU 50.
# Verify we have ICU's header files
AC_CHECK_HEADER(unicode/ucol.h, [],
[AC_MSG_ERROR([header file <unicode/ucol.h> is required for ICU])])
# ucol_strcollUTF8() appeared in ICU 50, so check if we have it.
# ICU functions are macros, so we need to do this the long way.
AC_CACHE_CHECK([for ucol_strcollUTF8], [pgac_cv_func_ucol_strcollUTF8],
[ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
ac_save_LIBS=$LIBS
[ac_save_LIBS=$LIBS
LIBS="$ICU_LIBS $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#include <unicode/ucol.h>
@ -1669,11 +1673,12 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM(
[ucol_strcollUTF8(NULL, NULL, 0, NULL, 0, NULL);])],
[pgac_cv_func_ucol_strcollUTF8=yes],
[pgac_cv_func_ucol_strcollUTF8=no])
CPPFLAGS=$ac_save_CPPFLAGS
LIBS=$ac_save_LIBS])
if test "$pgac_cv_func_ucol_strcollUTF8" = yes ; then
AC_DEFINE([HAVE_UCOL_STRCOLLUTF8], 1, [Define to 1 if you have the `ucol_strcollUTF8' function.])
fi
CPPFLAGS=$ac_save_CPPFLAGS
fi
# Lastly, restore full LIBS list and check for readline/libedit symbols