diff options
Diffstat (limited to 'source4/build/smb_build/check_cc.m4')
| -rw-r--r-- | source4/build/smb_build/check_cc.m4 | 115 |
1 files changed, 50 insertions, 65 deletions
diff --git a/source4/build/smb_build/check_cc.m4 b/source4/build/smb_build/check_cc.m4 index 0a430a4fcf..098c089642 100644 --- a/source4/build/smb_build/check_cc.m4 +++ b/source4/build/smb_build/check_cc.m4 @@ -4,70 +4,55 @@ dnl Copyright (C) Stefan (metze) Metzmacher 2004 dnl Released under the GNU GPL dnl ------------------------------------------------------- dnl -dnl _SMB_BUILD_CHECK_CC( -dnl 1:dummy -dnl ) -dnl ####################################################### -dnl ### And now the implementation ### -dnl ####################################################### - -dnl _SMB_BUILD_CHECK_CC( -dnl 1:dummy -dnl ) -AC_DEFUN([_SMB_BUILD_CHECK_CC], -[ - AC_PROG_CC - if test x"$CC" = x""; then - AC_MSG_WARN([No c compiler was not found!]) - AC_MSG_ERROR([Please Install gcc from http://gcc.gnu.org/]) - fi - - AC_PROG_CC_STDC - - # compile with optimization and without debugging by default, but - # allow people to set their own preference. - if test "x$CFLAGS" = x; then - CFLAGS="-O ${CFLAGS}" - fi - - dnl needed before AC_TRY_COMPILE - AC_ISC_POSIX - - dnl Check if C compiler understands -c and -o at the same time - AC_PROG_CC_C_O - if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then - BROKEN_CC= +AC_PROG_CC +if test x"$CC" = x""; then + AC_MSG_WARN([No c compiler was not found!]) + AC_MSG_ERROR([Please Install gcc from http://gcc.gnu.org/]) +fi + +AC_PROG_CC_STDC + +# compile with optimization and without debugging by default, but +# allow people to set their own preference. +if test "x$CFLAGS" = x; then + CFLAGS="-O ${CFLAGS}" +fi + +dnl needed before AC_TRY_COMPILE +AC_ISC_POSIX + +dnl Check if C compiler understands -c and -o at the same time +AC_PROG_CC_C_O +if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then + BROKEN_CC= +else + BROKEN_CC=# +fi +AC_SUBST(BROKEN_CC) + +AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [ + dnl Check whether the compiler can generate precompiled headers + touch conftest.h + if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then + samba_cv_precompiled_headers=yes else - BROKEN_CC=# - fi - AC_SUBST(BROKEN_CC) - - AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [ - dnl Check whether the compiler can generate precompiled headers - touch conftest.h - if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then - samba_cv_precompiled_headers=yes - else - samba_cv_precompiled_headers=no - fi]) - PCH_AVAILABLE="#" - if test x"$samba_cv_precompiled_headers" = x"yes"; then - PCH_AVAILABLE="" - fi - AC_SUBST(PCH_AVAILABLE) - - - dnl Check if the C compiler understands volatile (it should, being ANSI). - AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [ - AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0], - samba_cv_volatile=yes,samba_cv_volatile=no)]) - if test x"$samba_cv_volatile" = x"yes"; then - AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile]) - fi - - AC_C_CONST - AC_C_INLINE - - AC_PROG_CPP -]) + samba_cv_precompiled_headers=no + fi]) +PCH_AVAILABLE="#" +if test x"$samba_cv_precompiled_headers" = x"yes"; then + PCH_AVAILABLE="" +fi +AC_SUBST(PCH_AVAILABLE) + + +dnl Check if the C compiler understands volatile (it should, being ANSI). +AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [ + AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0], + samba_cv_volatile=yes,samba_cv_volatile=no)]) +if test x"$samba_cv_volatile" = x"yes"; then + AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile]) +fi + +AC_C_CONST +AC_C_INLINE |