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* aclang.m4 (AC_PROG_CXXCPP, AC_PROG_CPP): Require AC_PROG_CXX/CC.
This commit is contained in:
Akim Demaille
parent
c39a5de569
commit
a3b490cccf
@ -1,3 +1,7 @@
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2000-12-15 Akim Demaille <akim@epita.fr>
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* aclang.m4 (AC_PROG_CXXCPP, AC_PROG_CPP): Require AC_PROG_CXX/CC.
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2000-12-15 Akim Demaille <akim@epita.fr>
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* tests/compile.at (GNU Fortran 77): G77 is a `yes'/`' var.
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16
aclang.m4
16
aclang.m4
@ -749,16 +749,19 @@ fi])])# _AC_PROG_PREPROC_WORKS
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# AC_PROG_CPP
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# -----------
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# Find a working C preprocessor
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# Find a working C preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CC.
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AC_DEFUN([AC_PROG_CPP],
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[AC_MSG_CHECKING([how to run the C preprocessor])
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([how to run the C preprocessor])
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AC_LANG_ASSERT(C)dnl
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# On Suns, sometimes $CPP names a directory.
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if test -n "$CPP" && test -d "$CPP"; then
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CPP=
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fi
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if test -z "$CPP"; then
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AC_CACHE_VAL(ac_cv_prog_CPP,
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AC_CACHE_VAL([ac_cv_prog_CPP],
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[dnl
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# Double quotes because CPP needs to be expanded
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for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
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@ -951,9 +954,12 @@ AC_DEFUN([AC_LANG_PREPROC(C++)],
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# AC_PROG_CXXCPP
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# --------------
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# Find a working C++ preprocessor
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# Find a working C++ preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CXX.
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AC_DEFUN([AC_PROG_CXXCPP],
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[AC_MSG_CHECKING([how to run the C++ preprocessor])
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[AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([how to run the C++ preprocessor])
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AC_LANG_ASSERT(C++)dnl
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if test -z "$CXXCPP"; then
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AC_CACHE_VAL(ac_cv_prog_CXXCPP,
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@ -749,16 +749,19 @@ fi])])# _AC_PROG_PREPROC_WORKS
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# AC_PROG_CPP
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# -----------
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# Find a working C preprocessor
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# Find a working C preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CC.
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AC_DEFUN([AC_PROG_CPP],
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[AC_MSG_CHECKING([how to run the C preprocessor])
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([how to run the C preprocessor])
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AC_LANG_ASSERT(C)dnl
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# On Suns, sometimes $CPP names a directory.
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if test -n "$CPP" && test -d "$CPP"; then
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CPP=
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fi
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if test -z "$CPP"; then
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AC_CACHE_VAL(ac_cv_prog_CPP,
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AC_CACHE_VAL([ac_cv_prog_CPP],
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[dnl
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# Double quotes because CPP needs to be expanded
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for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
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@ -951,9 +954,12 @@ AC_DEFUN([AC_LANG_PREPROC(C++)],
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# AC_PROG_CXXCPP
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# --------------
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# Find a working C++ preprocessor
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# Find a working C++ preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CXX.
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AC_DEFUN([AC_PROG_CXXCPP],
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[AC_MSG_CHECKING([how to run the C++ preprocessor])
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[AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([how to run the C++ preprocessor])
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AC_LANG_ASSERT(C++)dnl
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if test -z "$CXXCPP"; then
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AC_CACHE_VAL(ac_cv_prog_CXXCPP,
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@ -749,16 +749,19 @@ fi])])# _AC_PROG_PREPROC_WORKS
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# AC_PROG_CPP
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# -----------
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# Find a working C preprocessor
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# Find a working C preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CC.
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AC_DEFUN([AC_PROG_CPP],
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[AC_MSG_CHECKING([how to run the C preprocessor])
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([how to run the C preprocessor])
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AC_LANG_ASSERT(C)dnl
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# On Suns, sometimes $CPP names a directory.
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if test -n "$CPP" && test -d "$CPP"; then
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CPP=
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fi
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if test -z "$CPP"; then
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AC_CACHE_VAL(ac_cv_prog_CPP,
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AC_CACHE_VAL([ac_cv_prog_CPP],
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[dnl
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# Double quotes because CPP needs to be expanded
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for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
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@ -951,9 +954,12 @@ AC_DEFUN([AC_LANG_PREPROC(C++)],
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# AC_PROG_CXXCPP
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# --------------
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# Find a working C++ preprocessor
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# Find a working C++ preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CXX.
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AC_DEFUN([AC_PROG_CXXCPP],
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[AC_MSG_CHECKING([how to run the C++ preprocessor])
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[AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([how to run the C++ preprocessor])
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AC_LANG_ASSERT(C++)dnl
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if test -z "$CXXCPP"; then
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AC_CACHE_VAL(ac_cv_prog_CXXCPP,
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@ -749,16 +749,19 @@ fi])])# _AC_PROG_PREPROC_WORKS
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# AC_PROG_CPP
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# -----------
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# Find a working C preprocessor
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# Find a working C preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CC.
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AC_DEFUN([AC_PROG_CPP],
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[AC_MSG_CHECKING([how to run the C preprocessor])
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([how to run the C preprocessor])
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AC_LANG_ASSERT(C)dnl
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# On Suns, sometimes $CPP names a directory.
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if test -n "$CPP" && test -d "$CPP"; then
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CPP=
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fi
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if test -z "$CPP"; then
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AC_CACHE_VAL(ac_cv_prog_CPP,
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AC_CACHE_VAL([ac_cv_prog_CPP],
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[dnl
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# Double quotes because CPP needs to be expanded
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for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
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@ -951,9 +954,12 @@ AC_DEFUN([AC_LANG_PREPROC(C++)],
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# AC_PROG_CXXCPP
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# --------------
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# Find a working C++ preprocessor
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# Find a working C++ preprocessor.
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# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
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# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CXX.
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AC_DEFUN([AC_PROG_CXXCPP],
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[AC_MSG_CHECKING([how to run the C++ preprocessor])
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[AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([how to run the C++ preprocessor])
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AC_LANG_ASSERT(C++)dnl
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if test -z "$CXXCPP"; then
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AC_CACHE_VAL(ac_cv_prog_CXXCPP,
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@ -7,6 +7,36 @@ AT_BANNER([Low level compiling/preprocessing macros.])
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# primitive, so check those first.
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## ------------ ##
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## C keywords. ##
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## ------------ ##
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# GCC supports `const', `volatile', and `inline'.
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AT_CHECK_MACRO([C keywords],
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[[AC_PROG_CC
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AC_C_CONST
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AC_C_INLINE
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AC_C_VOLATILE
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case "$GCC,$ac_cv_c_const,$ac_cv_c_inline,$ac_cv_c_volatile" in
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yes,*no*)
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AC_MSG_ERROR([failed to detect `const', `inline' or `volatile' support]);;
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esac]])
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## --------------------------------- ##
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## AC_PROG_CPP requires AC_PROG_CC. ##
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## --------------------------------- ##
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# Must invoke AC_PROG_CC.
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AT_CHECK_MACRO([AC_PROG_CPP requires AC_PROG_CC],
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[[AC_PROG_CPP
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test -z "$CC" &&
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AC_MSG_ERROR([looked for a C preprocessor without looking for a compiler])
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]])
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## --------------------------- ##
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## AC_PROG_CPP with warnings. ##
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## --------------------------- ##
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@ -85,23 +115,6 @@ AC_TRY_LINK_FUNC(Be_doomed_if_your_libc_has_a_function_named_like_this,
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## ------------ ##
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## C keywords. ##
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## ------------ ##
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# GCC supports `const', `volatile', and `inline'.
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AT_CHECK_MACRO([C keywords],
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[[AC_PROG_CC
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AC_C_CONST
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AC_C_INLINE
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AC_C_VOLATILE
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case "$GCC,$ac_cv_c_const,$ac_cv_c_inline,$ac_cv_c_volatile" in
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yes,*no*)
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AC_MSG_ERROR([failed to detect `const', `inline' or `volatile' support]);;
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esac]])
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## --------------------- ##
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## Fortran 77 Compiler. ##
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## --------------------- ##
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