configure: Drop unnecessary gperf version check

While the check probably made sense when strongSwan 4.x was started, gperf
version 3.0.1 was released in 2003, so it's very unlikely that version 2.x
is still around anywhere.
This commit is contained in:
Tobias Brunner 2019-12-05 15:50:12 +01:00
parent 72373d940a
commit 3d40bf6491
1 changed files with 15 additions and 19 deletions

View File

@ -379,28 +379,24 @@ AC_PATH_PROG([GPERF], [gperf], [], [$PATH:/bin:/usr/bin:/usr/local/bin])
AC_ARG_VAR([GPERF], [the GNU gperf program])
# because gperf is not needed by end-users we only abort if generated files don't exist
AC_MSG_CHECKING([gperf version >= 3.0.0])
AC_MSG_CHECKING([gperf len type])
if test -x "$GPERF"; then
if test "`$GPERF --version | $AWK -F' ' '/^GNU gperf/ { print $3 }' | $AWK -F. '{ print $1 }'`" -ge "3"; then
GPERF_OUTPUT="`echo foo | ${GPERF}`"
AC_COMPILE_IFELSE(
GPERF_OUTPUT="`echo foo | ${GPERF}`"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <string.h>
const char *in_word_set(const char*, size_t); $GPERF_OUTPUT]])],
[GPERF_LEN_TYPE=size_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <string.h>
const char *in_word_set(const char*, size_t); $GPERF_OUTPUT]])],
[GPERF_LEN_TYPE=size_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <string.h>
const char *in_word_set(const char*, unsigned); $GPERF_OUTPUT]])],
[GPERF_LEN_TYPE=unsigned],
[AC_MSG_ERROR([unable to determine gperf len type])]
)]
)
AC_SUBST(GPERF_LEN_TYPE)
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
const char *in_word_set(const char*, unsigned); $GPERF_OUTPUT]])],
[GPERF_LEN_TYPE=unsigned],
[AC_MSG_ERROR([unable to determine gperf len type])]
)]
)
AC_SUBST(GPERF_LEN_TYPE)
AC_MSG_RESULT([$GPERF_LEN_TYPE])
else
AC_MSG_RESULT([not found])
GPERF_TEST_FILE="$srcdir/src/libstrongswan/crypto/proposal/proposal_keywords_static.c"