From 52484af83a58664c3cc91b8af07aeeea271f67ef Mon Sep 17 00:00:00 2001 From: Gilles Talis Date: Sun, 9 Jan 2022 10:58:36 +0100 Subject: [PATCH] Check if platform supports feenableexcept Signed-off-by: Gilles Talis --- configure.ac | 4 ++++ src/tesseract.cpp | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 9177d64..80cd735 100644 --- a/configure.ac +++ b/configure.ac @@ -188,6 +188,10 @@ case "${host_cpu}" in esac +# check whether feenableexcept is supported. some C libraries (e.g. uclibc) don't. +AC_CHECK_FUNC(feenableexcept, [feenableexcept=true], [feenableexcept=false]) +AM_CONDITIONAL([HAVE_FEENABLEEXCEPT], $feenableexcept) + AX_CHECK_COMPILE_FLAG([-fopenmp-simd], [openmp_simd=true], [openmp_simd=false], [$WERROR]) AM_CONDITIONAL([OPENMP_SIMD], $openmp_simd) diff --git a/src/tesseract.cpp b/src/tesseract.cpp index 933116e..9154db8 100644 --- a/src/tesseract.cpp +++ b/src/tesseract.cpp @@ -629,7 +629,7 @@ static void PreloadRenderers(tesseract::TessBaseAPI &api, **********************************************************************/ int main(int argc, char **argv) { -#if defined(__USE_GNU) +#if defined(__USE_GNU) && defined(HAVE_FEENABLEEXCEPT) // Raise SIGFPE. # if defined(__clang__) // clang creates code which causes some FP exceptions, so don't enable those. -- 2.32.0