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| author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2008-08-07 16:20:44 +0200 |
|---|---|---|
| committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2008-08-07 16:31:25 +0200 |
| commit | 23e52b565fefcbe503395b618e58dfa5a98dd6e2 (patch) | |
| tree | 93b359e24534f52bdc71322b396ba93c13d34612 | |
| parent | 29dc3d7df0a28c5296d6cae1bcaed5101ec75519 (diff) | |
Use AC_PROG_CC_C99 to discover C99-compliant compiler.
Instead of just checking if the compiler supports -std=c99 option,
make use of the autoconf macro for discovering C99. This way other
non-GCC compiler could be used in C99 mode too.
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index ebd9114..48aec92 100644 --- a/configure.ac +++ b/configure.ac @@ -45,6 +45,7 @@ fi # CC AC_PROG_CC +AC_PROG_CC_C99 AM_PROG_CC_C_O AC_PROG_GCC_TRADITIONAL AC_GNU_SOURCE @@ -65,10 +66,7 @@ test_gcc_flag() { # If using GCC specify some additional parameters if test "x$GCC" = "xyes" ; then - - # We use gnu99 instead of c99 because many have interpreted the standard - # in a way that int64_t isn't defined on non-64 bit platforms. - DESIRED_FLAGS="-std=gnu99 -Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -ffast-math" + DESIRED_FLAGS="-Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -ffast-math" for flag in $DESIRED_FLAGS ; do AC_MSG_CHECKING([whether $CC accepts $flag]) |