4.115
Last change
on this file since bb2b825 was
d71ab7fd,
checked in by Ralf Corsepius <ralf.corsepius@…>, on 09/21/04 at 14:30:53
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2004-09-21 Ralf Corsepius <ralf_corsepius@…>
- aclocal/gcc-weak.m4: New (Extracted from cpukit/configure.ac).
- configure.ac: Add RTEMS_CHECK_GCC_WEAK.
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-
Property mode set to
100644
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File size:
485 bytes
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1 | AC_DEFUN([RTEMS_CHECK_GCC_WEAK],[ |
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2 | AC_CACHE_CHECK([whether $CC supports function __attribute__((weak))], |
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3 | [rtems_cv_cc_attribute_weak],[ |
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4 | AS_IF([test x"$GCC" = xyes],[ |
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5 | save_CFLAGS=$CFLAGS |
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6 | CFLAGS=-Werror]) |
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7 | |
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8 | AC_COMPILE_IFELSE([ |
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9 | AC_LANG_PROGRAM( |
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10 | [void myfunc(char c) __attribute__ ((weak)); |
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11 | void myfunc(char c) {}], |
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12 | [])], |
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13 | [rtems_cv_cc_attribute_weak=yes], |
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14 | [rtems_cv_cc_attribute_weak=no]) |
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15 | |
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16 | AS_IF([test x"$GCC" = xyes],[ |
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17 | CFLAGS=$save_CFLAGS]) |
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18 | ]) |
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19 | ]) |
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