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New file boinc_check_flags.m4. Contains code to check compiler and linker 

flags.

svn path=/trunk/boinc/; revision=16439
This commit is contained in:
Eric J. Korpela 2008-11-07 00:14:13 +00:00
parent 17f30607e5
commit 812dc63bd0
1 changed files with 94 additions and 0 deletions
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94
m4/boinc_check_flags.m4 Normal file
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AC_DEFUN([BOINC_CHECK_CFLAG],[
AC_LANG_PUSH(C)
sv_flags="${CFLAGS}"
AC_MSG_CHECKING(if C compiler supports $1)
CFLAGS="${CFLAGS} $1"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#define CONFIG_TEST
int foo() {return 1;}
]],
[ return foo(); ])],
[
AC_MSG_RESULT(yes)
$2
],
[
AC_MSG_RESULT(no)
CFLAGS="${sv_flags}"
$3
]
)
AC_LANG_POP
])
AC_DEFUN([BOINC_CHECK_CXXFLAG],[
AC_LANG_PUSH(C++)
sv_flags="${CXXFLAGS}"
AC_MSG_CHECKING(if C++ compiler supports $1)
CXXFLAGS="${CXXFLAGS} $1"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#define CONFIG_TEST
int foo() {return 1;}
]],
[ return foo(); ])],
[
AC_MSG_RESULT(yes)
$2
],
[
AC_MSG_RESULT(no)
CXXFLAGS="${sv_flags}"
$3
]
)
AC_LANG_POP
])
AC_DEFUN([BOINC_CHECK_FFLAG],[
AC_LANG_PUSH(Fortran 77)
sv_flags="${FFLAGS}"
AC_MSG_CHECKING(if f77 compiler supports $1)
FFLAGS="${FFLAGS} $1"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([],
[ write(*,*) 'hello' ])],
[
AC_MSG_RESULT(yes)
$2
],
[
AC_MSG_RESULT(no)
FFLAGS="${sv_flags}"
$3
]
)
AC_LANG_POP
])
AC_DEFUN([BOINC_CHECK_LDFLAG],[
AC_LANG_PUSH(C)
sv_flags="${LDFLAGS}"
AC_MSG_CHECKING(if $LD supports $1)
LDFLAGS="${LDFLAGS} $1"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#define CONFIG_TEST
int foo() {return 1;}
]],
[ return foo(); ])],
[
AC_MSG_RESULT(yes)
$2
],
[
AC_MSG_RESULT(no)
LDFLAGS="${sv_flags}"
$3
]
)
AC_LANG_POP
])