8c59a22d97
* aclocal.m4: new file for AM_EXEEXT macro
* configure.in: call AM_EXEEXT
* configure: regenerate with autoconf 2.12.1.
* Makefile.in: add EXEEXT support
46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
# Check to see if we're running under Cygwin32, without using
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# AC_CANONICAL_*. If so, set output variable CYGWIN32 to "yes".
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# Otherwise set it to "no".
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dnl AM_CYGWIN32()
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dnl You might think we can do this by checking for a cygwin32-specific
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dnl cpp define.
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AC_DEFUN(AM_CYGWIN32,
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[AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
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[AC_TRY_COMPILE(,[int main () { return __CYGWIN32__; }],
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am_cv_cygwin32=yes, am_cv_cygwin32=no)
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rm -f conftest*])
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CYGWIN32=
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test "$am_cv_cygwin32" = yes && CYGWIN32=yes])
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# Check to see if we're running under Win32, without using
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# AC_CANONICAL_*. If so, set output variable EXEEXT to ".exe".
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# Otherwise set it to "".
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dnl AM_EXEEXT()
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dnl This knows we add .exe if we're building in the Cygwin32
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dnl environment. But if we're not, then it compiles a test program
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dnl to see if there is a suffix for executables.
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AC_DEFUN(AM_EXEEXT,
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dnl AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AM_CYGWIN32])
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AC_MSG_CHECKING([for executable suffix])
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[AC_CACHE_VAL(am_cv_exeext,
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[if test "$CYGWIN32" = yes; then
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am_cv_exeext=.exe
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else
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cat > am_c_test.c << 'EOF'
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int main() {
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/* Nothing needed here */
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}
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EOF
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${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
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am_cv_exeext=`ls am_c_test.* | grep -v am_c_test.c | sed -e s/am_c_test//`
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rm -f am_c_test*])
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test x"${am_cv_exeext}" = x && am_cv_exeext=no
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fi
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EXEEXT=""
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test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
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AC_MSG_RESULT(${am_cv_exeext})
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AC_SUBST(EXEEXT)])
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