diff options
Diffstat (limited to 'gcc/configure.in')
| -rw-r--r-- | gcc/configure.in | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gcc/configure.in b/gcc/configure.in index 2f2d2c1..893e2f8 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -521,6 +521,26 @@ else AC_CHECK_PROG(BISON, bison, bison, false) fi +# These libraries may be used by collect2. +# We may need a special search path to get them linked. +AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, +[save_LIBS="$LIBS" +for libs in '' -lld -lmld '-lmld -lexc' \ + '-L/usr/lib/cmplrs/cc2.11 -lmld' \ + '-L/usr/lib/cmplrs/cc3.11 -lmld' +do + LIBS="$libs" + AC_TRY_LINK_FUNC(ldopen, + [gcc_cv_collect2_libs="$libs"; break]) +done +LIBS="$save_LIBS" +test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) +case $gcc_cv_collect2_libs in + "none required") ;; + *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; +esac +AC_SUBST(COLLECT2_LIBS) + # See if the stage1 system preprocessor understands the ANSI C # preprocessor stringification operator. (Used by symcat.h.) AC_C_STRINGIZE @@ -907,13 +927,15 @@ AC_ARG_ENABLE(win32-registry, --enable-win32-registry=KEY Use KEY instead of GCC version as the last portion of the registry key.],,) - +case $host_os in + win32 | pe | cygwin* | mingw32* | uwin*) AC_MSG_CHECKING(whether windows registry support is requested) if test x$enable_win32_registry != xno; then AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, [Define to 1 if installation paths should be looked up in Windows32 Registry. Ignored on non windows32 hosts.]) AC_MSG_RESULT(yes) + AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) else AC_MSG_RESULT(no) fi @@ -940,6 +962,8 @@ if test x$enable_win32_registry != xno; then [Define to be the last portion of registry key on windows hosts.]) AC_MSG_RESULT($gcc_cv_win32_registry_key) fi +;; +esac # Get an absolute path to the GCC top-level source directory holddir=`pwd` |