cpic: Compilation ok but fails to run

bsc/cc-wrapper/cc-wrapper.sh

@@ -0,0 +1,197 @@
+#! @shell@
+set -eu -o pipefail +o posix
+shopt -s nullglob
+
+if (( "${NIX_DEBUG:-0}" >= 7 )); then
+    set -x
+fi
+
+path_backup="$PATH"
+
+# That @-vars are substituted separately from bash evaluation makes
+# shellcheck think this, and others like it, are useless conditionals.
+# shellcheck disable=SC2157
+if [[ -n "@coreutils_bin@" && -n "@gnugrep_bin@" ]]; then
+    PATH="@coreutils_bin@/bin:@gnugrep_bin@/bin"
+fi
+
+source @out@/nix-support/utils.bash
+
+# Flirting with a layer violation here.
+if [ -z "${NIX_BINTOOLS_WRAPPER_@infixSalt@_FLAGS_SET:-}" ]; then
+    source @bintools@/nix-support/add-flags.sh
+fi
+
+# Put this one second so libc ldflags take priority.
+if [ -z "${NIX_CC_WRAPPER_@infixSalt@_FLAGS_SET:-}" ]; then
+    source @out@/nix-support/add-flags.sh
+fi
+
+
+# Parse command line options and set several variables.
+# For instance, figure out if linker flags should be passed.
+# GCC prints annoying warnings when they are not needed.
+dontLink=0
+nonFlagArgs=0
+cc1=0
+# shellcheck disable=SC2193
+[[ "@prog@" = *++ ]] && isCpp=1 || isCpp=0
+cppInclude=1
+
+expandResponseParams "$@"
+declare -i n=0
+nParams=${#params[@]}
+while (( "$n" < "$nParams" )); do
+    p=${params[n]}
+    p2=${params[n+1]:-} # handle `p` being last one
+    if [ "$p" = -c ]; then
+        dontLink=1
+    elif [ "$p" = -S ]; then
+        dontLink=1
+    elif [ "$p" = -E ]; then
+        dontLink=1
+    elif [ "$p" = -E ]; then
+        dontLink=1
+    elif [ "$p" = -M ]; then
+        dontLink=1
+    elif [ "$p" = -MM ]; then
+        dontLink=1
+    elif [[ "$p" = -x && "$p2" = *-header ]]; then
+        dontLink=1
+    elif [[ "$p" = -x && "$p2" = c++* && "$isCpp" = 0 ]]; then
+        isCpp=1
+    elif [ "$p" = -nostdlib ]; then
+        isCpp=-1
+    elif [ "$p" = -nostdinc ]; then
+        cppInclude=0
+    elif [ "$p" = -nostdinc++ ]; then
+        cppInclude=0
+    elif [[ "$p" != -?* ]]; then
+        # A dash alone signifies standard input; it is not a flag
+        nonFlagArgs=1
+    elif [ "$p" = -cc1 ]; then
+        cc1=1
+    fi
+    n+=1
+done
+
+# If we pass a flag like -Wl, then gcc will call the linker unless it
+# can figure out that it has to do something else (e.g., because of a
+# "-c" flag).  So if no non-flag arguments are given, don't pass any
+# linker flags.  This catches cases like "gcc" (should just print
+# "gcc: no input files") and "gcc -v" (should print the version).
+if [ "$nonFlagArgs" = 0 ]; then
+    dontLink=1
+fi
+
+# Optionally filter out paths not refering to the store.
+if [[ "${NIX_ENFORCE_PURITY:-}" = 1 && -n "$NIX_STORE" ]]; then
+    rest=()
+    nParams=${#params[@]}
+    declare -i n=0
+    while (( "$n" < "$nParams" )); do
+        p=${params[n]}
+        p2=${params[n+1]:-} # handle `p` being last one
+        if [ "${p:0:3}" = -L/ ] && badPath "${p:2}"; then
+            skip "${p:2}"
+        elif [ "$p" = -L ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        elif [ "${p:0:3}" = -I/ ] && badPath "${p:2}"; then
+            skip "${p:2}"
+        elif [ "$p" = -I ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        elif [ "$p" = -isystem ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        else
+            rest+=("$p")
+        fi
+        n+=1
+    done
+    # Old bash empty array hack
+    params=(${rest+"${rest[@]}"})
+fi
+
+
+# Clear march/mtune=native -- they bring impurity.
+if [ "$NIX_@infixSalt@_ENFORCE_NO_NATIVE" = 1 ]; then
+    rest=()
+    # Old bash empty array hack
+    for p in ${params+"${params[@]}"}; do
+        if [[ "$p" = -m*=native ]]; then
+            skip "$p"
+        else
+            rest+=("$p")
+        fi
+    done
+    # Old bash empty array hack
+    params=(${rest+"${rest[@]}"})
+fi
+
+if [[ "$isCpp" = 1 ]]; then
+    if [[ "$cppInclude" = 1 ]]; then
+        NIX_@infixSalt@_CFLAGS_COMPILE+=" ${NIX_@infixSalt@_CXXSTDLIB_COMPILE:-@default_cxx_stdlib_compile@}"
+    fi
+    NIX_@infixSalt@_CFLAGS_LINK+=" $NIX_@infixSalt@_CXXSTDLIB_LINK"
+fi
+
+source @out@/nix-support/add-hardening.sh
+
+# Add the flags for the C compiler proper.
+extraAfter=($NIX_@infixSalt@_CFLAGS_COMPILE)
+extraBefore=(${hardeningCFlags[@]+"${hardeningCFlags[@]}"} $NIX_@infixSalt@_CFLAGS_COMPILE_BEFORE)
+
+if [ "$dontLink" != 1 ]; then
+
+    # Add the flags that should only be passed to the compiler when
+    # linking.
+    extraAfter+=($NIX_@infixSalt@_CFLAGS_LINK)
+
+    # Add the flags that should be passed to the linker (and prevent
+    # `ld-wrapper' from adding NIX_@infixSalt@_LDFLAGS again).
+    for i in $NIX_@infixSalt@_LDFLAGS_BEFORE; do
+        extraBefore+=("-Wl,$i")
+    done
+    for i in $NIX_@infixSalt@_LDFLAGS; do
+        if [ "${i:0:3}" = -L/ ]; then
+            extraAfter+=("$i")
+        else
+            extraAfter+=("-Wl,$i")
+        fi
+    done
+    export NIX_@infixSalt@_LDFLAGS_SET=1
+fi
+
+# As a very special hack, if the arguments are just `-v', then don't
+# add anything.  This is to prevent `gcc -v' (which normally prints
+# out the version number and returns exit code 0) from printing out
+# `No input files specified' and returning exit code 1.
+if [ "$*" = -v ]; then
+    extraAfter=()
+    extraBefore=()
+fi
+
+# clang's -cc1 mode is not compatible with most options
+# that we would pass. Rather than trying to pass only
+# options that would work, let's just remove all of them.
+if [ "$cc1" = 1 ]; then
+  extraAfter=()
+  extraBefore=()
+fi
+
+# Optionally print debug info.
+if (( "${NIX_DEBUG:-0}" >= 1 )); then
+    # Old bash workaround, see ld-wrapper for explanation.
+    echo "extra flags before to @prog@:" >&2
+    printf "  %q\n" ${extraBefore+"${extraBefore[@]}"}  >&2
+    echo "original flags to @prog@:" >&2
+    printf "  %q\n" ${params+"${params[@]}"} >&2
+    echo "extra flags after to @prog@:" >&2
+    printf "  %q\n" ${extraAfter+"${extraAfter[@]}"} >&2
+fi
+
+PATH="$path_backup"
+# Old bash workaround, see above.
+exec @prog@ \
+    ${extraBefore+"${extraBefore[@]}"} \
+    ${params+"${params[@]}"} \
+    ${extraAfter+"${extraAfter[@]}"}